mitchellhansen
/
Trac3r-rust
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '2bc9ebdc6b'
${ noResults }
Trac3r-rust/doc/num/trait.FromPrimitive.html

58 lines
186 KiB
Raw Blame History Escape

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `FromPrimitive` trait in crate `num`."><meta name="keywords" content="rust, rustlang, rust-lang, FromPrimitive"><title>num::FromPrimitive - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../num/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Trait FromPrimitive</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.from_i64">from_i64</a><a href="#tymethod.from_u64">from_u64</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.from_f32">from_f32</a><a href="#method.from_f64">from_f64</a><a href="#method.from_i128">from_i128</a><a href="#method.from_i16">from_i16</a><a href="#method.from_i32">from_i32</a><a href="#method.from_i8">from_i8</a><a href="#method.from_isize">from_isize</a><a href="#method.from_u128">from_u128</a><a href="#method.from_u16">from_u16</a><a href="#method.from_u32">from_u32</a><a href="#method.from_u8">from_u8</a><a href="#method.from_usize">from_usize</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-FromPrimitive-for-Wrapping%3CT%3E">Wrapping&lt;T&gt;</a><a href="#impl-FromPrimitive-for-f32">f32</a><a href="#impl-FromPrimitive-for-f64">f64</a><a href="#impl-FromPrimitive-for-i128">i128</a><a href="#impl-FromPrimitive-for-i16">i16</a><a href="#impl-FromPrimitive-for-i32">i32</a><a href="#impl-FromPrimitive-for-i64">i64</a><a href="#impl-FromPrimitive-for-i8">i8</a><a href="#impl-FromPrimitive-for-isize">isize</a><a href="#impl-FromPrimitive-for-u128">u128</a><a href="#impl-FromPrimitive-for-u16">u16</a><a href="#impl-FromPrimitive-for-u32">u32</a><a href="#impl-FromPrimitive-for-u64">u64</a><a href="#impl-FromPrimitive-for-u8">u8</a><a href="#impl-FromPrimitive-for-usize">usize</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>num</a></p><script>window.sidebarCurrent = {name: 'FromPrimitive', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../src/num_traits/cast.rs.html#364-471' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='index.html'>num</a>::<wbr><a class="trait" href=''>FromPrimitive</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait FromPrimitive {
fn <a href='#tymethod.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
<div class='item-spacer'></div> fn <a href='#tymethod.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;;
fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
<div class='item-spacer'></div> fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt; { ... }
}</pre></div><div class='docblock'><p>A generic trait for converting a number to a value.</p>
</div>
<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.from_i64' class='method'><code id='from_i64.v'>fn <a href='#tymethod.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>i64</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='tymethod.from_u64' class='method'><code id='from_u64.v'>fn <a href='#tymethod.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>u64</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div></div><span class='loading-content'>Loading content...</span>
<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.from_isize' class='method'><code id='from_isize.v'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>isize</code> to return an optional value of this type. If the
value cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_i8' class='method'><code id='from_i8.v'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>i8</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_i16' class='method'><code id='from_i16.v'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>i16</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_i32' class='method'><code id='from_i32.v'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>i32</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_i128' class='method'><code id='from_i128.v'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>i128</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
<p>This method is only available with feature <code>i128</code> enabled on Rust &gt;= 1.26.</p>
<p>The default implementation converts through <code>from_i64()</code>. Types implementing
this trait should override this method if they can represent a greater range.</p>
</div><h3 id='method.from_usize' class='method'><code id='from_usize.v'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert a <code>usize</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_u8' class='method'><code id='from_u8.v'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>u8</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_u16' class='method'><code id='from_u16.v'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>u16</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_u32' class='method'><code id='from_u32.v'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>u32</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_u128' class='method'><code id='from_u128.v'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert an <code>u128</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
<p>This method is only available with feature <code>i128</code> enabled on Rust &gt;= 1.26.</p>
<p>The default implementation converts through <code>from_u64()</code>. Types implementing
this trait should override this method if they can represent a greater range.</p>
</div><h3 id='method.from_f32' class='method'><code id='from_f32.v'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert a <code>f32</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div><h3 id='method.from_f64' class='method'><code id='from_f64.v'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self&gt;</code></h3><div class='docblock'><p>Convert a <code>f64</code> to return an optional value of this type. If the
type cannot be represented by this value, then <code>None</code> is returned.</p>
</div></div><span class='loading-content'>Loading content...</span>
<h2 id='foreign-impls' class='small-section-header'>Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a></h2><h3 id='impl-FromPrimitive-for-u32' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></code><a href='#impl-FromPrimitive-for-u32' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-1' class="method hidden"><code id='from_isize.v-1'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-1' class="method hidden"><code id='from_i8.v-1'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-1' class="method hidden"><code id='from_i16.v-1'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-1' class="method hidden"><code id='from_i32.v-1'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64' class="method hidden"><code id='from_i64.v-1'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-1' class="method hidden"><code id='from_i128.v-1'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-1' class="method hidden"><code id='from_usize.v-1'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-1' class="method hidden"><code id='from_u8.v-1'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-1' class="method hidden"><code id='from_u16.v-1'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-1' class="method hidden"><code id='from_u32.v-1'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64' class="method hidden"><code id='from_u64.v-1'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-1' class="method hidden"><code id='from_u128.v-1'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-1' class="method hidden"><code id='from_f32.v-1'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-1' class="method hidden"><code id='from_f64.v-1'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-i64' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a></code><a href='#impl-FromPrimitive-for-i64' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-2' class="method hidden"><code id='from_isize.v-2'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-2' class="method hidden"><code id='from_i8.v-2'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-2' class="method hidden"><code id='from_i16.v-2'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-2' class="method hidden"><code id='from_i32.v-2'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-1' class="method hidden"><code id='from_i64.v-2'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-2' class="method hidden"><code id='from_i128.v-2'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-2' class="method hidden"><code id='from_usize.v-2'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-2' class="method hidden"><code id='from_u8.v-2'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-2' class="method hidden"><code id='from_u16.v-2'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-2' class="method hidden"><code id='from_u32.v-2'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-1' class="method hidden"><code id='from_u64.v-2'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-2' class="method hidden"><code id='from_u128.v-2'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-2' class="method hidden"><code id='from_f32.v-2'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-2' class="method hidden"><code id='from_f64.v-2'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-f32' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a></code><a href='#impl-FromPrimitive-for-f32' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-3' class="method hidden"><code id='from_isize.v-3'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-3' class="method hidden"><code id='from_i8.v-3'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-3' class="method hidden"><code id='from_i16.v-3'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-3' class="method hidden"><code id='from_i32.v-3'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-2' class="method hidden"><code id='from_i64.v-3'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-3' class="method hidden"><code id='from_i128.v-3'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-3' class="method hidden"><code id='from_usize.v-3'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-3' class="method hidden"><code id='from_u8.v-3'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-3' class="method hidden"><code id='from_u16.v-3'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-3' class="method hidden"><code id='from_u32.v-3'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-2' class="method hidden"><code id='from_u64.v-3'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-3' class="method hidden"><code id='from_u128.v-3'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-3' class="method hidden"><code id='from_f32.v-3'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-3' class="method hidden"><code id='from_f64.v-3'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-i32' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a></code><a href='#impl-FromPrimitive-for-i32' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-4' class="method hidden"><code id='from_isize.v-4'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-4' class="method hidden"><code id='from_i8.v-4'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-4' class="method hidden"><code id='from_i16.v-4'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-4' class="method hidden"><code id='from_i32.v-4'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-3' class="method hidden"><code id='from_i64.v-4'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-4' class="method hidden"><code id='from_i128.v-4'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-4' class="method hidden"><code id='from_usize.v-4'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-4' class="method hidden"><code id='from_u8.v-4'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-4' class="method hidden"><code id='from_u16.v-4'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-4' class="method hidden"><code id='from_u32.v-4'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-3' class="method hidden"><code id='from_u64.v-4'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-4' class="method hidden"><code id='from_u128.v-4'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-4' class="method hidden"><code id='from_f32.v-4'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-4' class="method hidden"><code id='from_f64.v-4'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-u128' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a></code><a href='#impl-FromPrimitive-for-u128' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-5' class="method hidden"><code id='from_isize.v-5'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-5' class="method hidden"><code id='from_i8.v-5'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-5' class="method hidden"><code id='from_i16.v-5'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-5' class="method hidden"><code id='from_i32.v-5'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-4' class="method hidden"><code id='from_i64.v-5'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-5' class="method hidden"><code id='from_i128.v-5'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-5' class="method hidden"><code id='from_usize.v-5'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-5' class="method hidden"><code id='from_u8.v-5'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-5' class="method hidden"><code id='from_u16.v-5'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-5' class="method hidden"><code id='from_u32.v-5'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-4' class="method hidden"><code id='from_u64.v-5'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-5' class="method hidden"><code id='from_u128.v-5'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-5' class="method hidden"><code id='from_f32.v-5'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-5' class="method hidden"><code id='from_f64.v-5'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-i128' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a></code><a href='#impl-FromPrimitive-for-i128' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-6' class="method hidden"><code id='from_isize.v-6'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-6' class="method hidden"><code id='from_i8.v-6'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-6' class="method hidden"><code id='from_i16.v-6'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-6' class="method hidden"><code id='from_i32.v-6'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-5' class="method hidden"><code id='from_i64.v-6'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-6' class="method hidden"><code id='from_i128.v-6'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-6' class="method hidden"><code id='from_usize.v-6'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-6' class="method hidden"><code id='from_u8.v-6'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-6' class="method hidden"><code id='from_u16.v-6'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-6' class="method hidden"><code id='from_u32.v-6'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-5' class="method hidden"><code id='from_u64.v-6'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-6' class="method hidden"><code id='from_u128.v-6'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-6' class="method hidden"><code id='from_f32.v-6'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-6' class="method hidden"><code id='from_f64.v-6'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-usize' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a href='#impl-FromPrimitive-for-usize' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-7' class="method hidden"><code id='from_isize.v-7'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-7' class="method hidden"><code id='from_i8.v-7'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-7' class="method hidden"><code id='from_i16.v-7'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-7' class="method hidden"><code id='from_i32.v-7'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-6' class="method hidden"><code id='from_i64.v-7'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-7' class="method hidden"><code id='from_i128.v-7'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-7' class="method hidden"><code id='from_usize.v-7'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-7' class="method hidden"><code id='from_u8.v-7'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-7' class="method hidden"><code id='from_u16.v-7'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-7' class="method hidden"><code id='from_u32.v-7'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-6' class="method hidden"><code id='from_u64.v-7'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-7' class="method hidden"><code id='from_u128.v-7'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-7' class="method hidden"><code id='from_f32.v-7'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-7' class="method hidden"><code id='from_f64.v-7'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-u16' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a></code><a href='#impl-FromPrimitive-for-u16' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-8' class="method hidden"><code id='from_isize.v-8'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-8' class="method hidden"><code id='from_i8.v-8'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-8' class="method hidden"><code id='from_i16.v-8'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-8' class="method hidden"><code id='from_i32.v-8'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-7' class="method hidden"><code id='from_i64.v-8'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-8' class="method hidden"><code id='from_i128.v-8'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-8' class="method hidden"><code id='from_usize.v-8'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-8' class="method hidden"><code id='from_u8.v-8'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-8' class="method hidden"><code id='from_u16.v-8'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-8' class="method hidden"><code id='from_u32.v-8'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-7' class="method hidden"><code id='from_u64.v-8'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-8' class="method hidden"><code id='from_u128.v-8'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-8' class="method hidden"><code id='from_f32.v-8'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-8' class="method hidden"><code id='from_f64.v-8'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-u8' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a></code><a href='#impl-FromPrimitive-for-u8' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-9' class="method hidden"><code id='from_isize.v-9'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-9' class="method hidden"><code id='from_i8.v-9'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-9' class="method hidden"><code id='from_i16.v-9'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-9' class="method hidden"><code id='from_i32.v-9'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-8' class="method hidden"><code id='from_i64.v-9'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-9' class="method hidden"><code id='from_i128.v-9'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-9' class="method hidden"><code id='from_usize.v-9'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-9' class="method hidden"><code id='from_u8.v-9'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-9' class="method hidden"><code id='from_u16.v-9'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-9' class="method hidden"><code id='from_u32.v-9'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-8' class="method hidden"><code id='from_u64.v-9'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-9' class="method hidden"><code id='from_u128.v-9'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-9' class="method hidden"><code id='from_f32.v-9'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-9' class="method hidden"><code id='from_f64.v-9'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-i8' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a></code><a href='#impl-FromPrimitive-for-i8' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-10' class="method hidden"><code id='from_isize.v-10'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-10' class="method hidden"><code id='from_i8.v-10'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-10' class="method hidden"><code id='from_i16.v-10'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-10' class="method hidden"><code id='from_i32.v-10'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-9' class="method hidden"><code id='from_i64.v-10'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-10' class="method hidden"><code id='from_i128.v-10'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-10' class="method hidden"><code id='from_usize.v-10'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-10' class="method hidden"><code id='from_u8.v-10'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-10' class="method hidden"><code id='from_u16.v-10'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-10' class="method hidden"><code id='from_u32.v-10'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-9' class="method hidden"><code id='from_u64.v-10'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-10' class="method hidden"><code id='from_u128.v-10'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-10' class="method hidden"><code id='from_f32.v-10'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-10' class="method hidden"><code id='from_f64.v-10'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-u64' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></code><a href='#impl-FromPrimitive-for-u64' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-11' class="method hidden"><code id='from_isize.v-11'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-11' class="method hidden"><code id='from_i8.v-11'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-11' class="method hidden"><code id='from_i16.v-11'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-11' class="method hidden"><code id='from_i32.v-11'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-10' class="method hidden"><code id='from_i64.v-11'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-11' class="method hidden"><code id='from_i128.v-11'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-11' class="method hidden"><code id='from_usize.v-11'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-11' class="method hidden"><code id='from_u8.v-11'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-11' class="method hidden"><code id='from_u16.v-11'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-11' class="method hidden"><code id='from_u32.v-11'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-10' class="method hidden"><code id='from_u64.v-11'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-11' class="method hidden"><code id='from_u128.v-11'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-11' class="method hidden"><code id='from_f32.v-11'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-11' class="method hidden"><code id='from_f64.v-11'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-i16' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a></code><a href='#impl-FromPrimitive-for-i16' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-12' class="method hidden"><code id='from_isize.v-12'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-12' class="method hidden"><code id='from_i8.v-12'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-12' class="method hidden"><code id='from_i16.v-12'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-12' class="method hidden"><code id='from_i32.v-12'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-11' class="method hidden"><code id='from_i64.v-12'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-12' class="method hidden"><code id='from_i128.v-12'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-12' class="method hidden"><code id='from_usize.v-12'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-12' class="method hidden"><code id='from_u8.v-12'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-12' class="method hidden"><code id='from_u16.v-12'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-12' class="method hidden"><code id='from_u32.v-12'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-11' class="method hidden"><code id='from_u64.v-12'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-12' class="method hidden"><code id='from_u128.v-12'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-12' class="method hidden"><code id='from_f32.v-12'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-12' class="method hidden"><code id='from_f64.v-12'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-f64' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a></code><a href='#impl-FromPrimitive-for-f64' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-13' class="method hidden"><code id='from_isize.v-13'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-13' class="method hidden"><code id='from_i8.v-13'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-13' class="method hidden"><code id='from_i16.v-13'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-13' class="method hidden"><code id='from_i32.v-13'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-12' class="method hidden"><code id='from_i64.v-13'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-13' class="method hidden"><code id='from_i128.v-13'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-13' class="method hidden"><code id='from_usize.v-13'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-13' class="method hidden"><code id='from_u8.v-13'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-13' class="method hidden"><code id='from_u16.v-13'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-13' class="method hidden"><code id='from_u32.v-13'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-12' class="method hidden"><code id='from_u64.v-13'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-13' class="method hidden"><code id='from_u128.v-13'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-13' class="method hidden"><code id='from_f32.v-13'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-13' class="method hidden"><code id='from_f64.v-13'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-isize' class='impl'><code class='in-band'>impl <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a></code><a href='#impl-FromPrimitive-for-isize' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#476-537' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-14' class="method hidden"><code id='from_isize.v-14'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#478-480' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-14' class="method hidden"><code id='from_i8.v-14'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#482-484' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-14' class="method hidden"><code id='from_i16.v-14'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#486-488' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-14' class="method hidden"><code id='from_i32.v-14'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#490-492' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-13' class="method hidden"><code id='from_i64.v-14'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#494-496' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-14' class="method hidden"><code id='from_i128.v-14'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#499-501' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-14' class="method hidden"><code id='from_usize.v-14'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#504-506' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-14' class="method hidden"><code id='from_u8.v-14'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#508-510' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-14' class="method hidden"><code id='from_u16.v-14'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#512-514' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-14' class="method hidden"><code id='from_u32.v-14'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#516-518' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-13' class="method hidden"><code id='from_u64.v-14'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#520-522' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-14' class="method hidden"><code id='from_u128.v-14'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#525-527' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-14' class="method hidden"><code id='from_f32.v-14'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#530-532' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-14' class="method hidden"><code id='from_f64.v-14'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#534-536' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-for-Wrapping%3CT%3E' class='impl'><code class='in-band'>impl&lt;T&gt; <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="../num/traits/cast/trait.FromPrimitive.html" title="trait num::traits::cast::FromPrimitive">FromPrimitive</a>,&nbsp;</span></code><a href='#impl-FromPrimitive-for-Wrapping%3CT%3E' class='anchor'></a><a class='srclink' href='../src/num_traits/cast.rs.html#601-622' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_isize-15' class="method hidden"><code id='from_isize.v-15'>fn <a href='#method.from_isize' class='fnname'>from_isize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_i8-15' class="method hidden"><code id='from_i8.v-15'>fn <a href='#method.from_i8' class='fnname'>from_i8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_i16-15' class="method hidden"><code id='from_i16.v-15'>fn <a href='#method.from_i16' class='fnname'>from_i16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_i32-15' class="method hidden"><code id='from_i32.v-15'>fn <a href='#method.from_i32' class='fnname'>from_i32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_i64-14' class="method hidden"><code id='from_i64.v-15'>fn <a href='#method.from_i64' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_i128-15' class="method hidden"><code id='from_i128.v-15'>fn <a href='#method.from_i128' class='fnname'>from_i128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i128.html">i128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_usize-15' class="method hidden"><code id='from_usize.v-15'>fn <a href='#method.from_usize' class='fnname'>from_usize</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_u8-15' class="method hidden"><code id='from_u8.v-15'>fn <a href='#method.from_u8' class='fnname'>from_u8</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_u16-15' class="method hidden"><code id='from_u16.v-15'>fn <a href='#method.from_u16' class='fnname'>from_u16</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_u32-15' class="method hidden"><code id='from_u32.v-15'>fn <a href='#method.from_u32' class='fnname'>from_u32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-14' class="method hidden"><code id='from_u64.v-15'>fn <a href='#method.from_u64' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_u128-15' class="method hidden"><code id='from_u128.v-15'>fn <a href='#method.from_u128' class='fnname'>from_u128</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u128.html">u128</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-15' class="method hidden"><code id='from_f32.v-15'>fn <a href='#method.from_f32' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-15' class="method hidden"><code id='from_f64.v-15'>fn <a href='#method.from_f64' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/core/num/struct.Wrapping.html" title="struct core::num::Wrapping">Wrapping</a>&lt;T&gt;&gt;</code><a class='srclink' href='../src/num_traits/cast.rs.html#595-597' title='goto source code'>[src]</a></h4></div><span class='loading-content'>Loading content...</span>
<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-FromPrimitive' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a></code><a href='#impl-FromPrimitive' class='anchor'></a><a class='srclink' href='../src/num_bigint/bigint.rs.html#1105-1124' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-15' class="method hidden"><code id='from_i64.v-16'>fn <a href='#method.from_i64-15' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;</code><a class='srclink' href='../src/num_bigint/bigint.rs.html#1107-1109' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-15' class="method hidden"><code id='from_u64.v-16'>fn <a href='#method.from_u64-15' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;</code><a class='srclink' href='../src/num_bigint/bigint.rs.html#1112-1114' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-16' class="method hidden"><code id='from_f64.v-16'>fn <a href='#method.from_f64-16' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;</code><a class='srclink' href='../src/num_bigint/bigint.rs.html#1117-1123' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-1' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/bigint/struct.BigUint.html" title="struct num::bigint::BigUint">BigUint</a></code><a href='#impl-FromPrimitive-1' class='anchor'></a><a class='srclink' href='../src/num_bigint/biguint.rs.html#1106-1150' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-16' class="method hidden"><code id='from_i64.v-17'>fn <a href='#method.from_i64-16' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/bigint/struct.BigUint.html" title="struct num::bigint::BigUint">BigUint</a>&gt;</code><a class='srclink' href='../src/num_bigint/biguint.rs.html#1108-1114' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-16' class="method hidden"><code id='from_u64.v-17'>fn <a href='#method.from_u64-16' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/bigint/struct.BigUint.html" title="struct num::bigint::BigUint">BigUint</a>&gt;</code><a class='srclink' href='../src/num_bigint/biguint.rs.html#1117-1119' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-17' class="method hidden"><code id='from_f64.v-17'>fn <a href='#method.from_f64-17' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/bigint/struct.BigUint.html" title="struct num::bigint::BigUint">BigUint</a>&gt;</code><a class='srclink' href='../src/num_bigint/biguint.rs.html#1122-1149' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-2' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;</code><a href='#impl-FromPrimitive-2' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-17' class="method hidden"><code id='from_i64.v-18'>fn <a href='#method.from_i64-17' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-17' class="method hidden"><code id='from_u64.v-18'>fn <a href='#method.from_u64-17' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-16' class="method hidden"><code id='from_f32.v-16'>fn <a href='#method.from_f32-16' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-18' class="method hidden"><code id='from_f64.v-18'>fn <a href='#method.from_f64-18' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i16.html">i16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-3' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;</code><a href='#impl-FromPrimitive-3' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-18' class="method hidden"><code id='from_i64.v-19'>fn <a href='#method.from_i64-18' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-18' class="method hidden"><code id='from_u64.v-19'>fn <a href='#method.from_u64-18' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-17' class="method hidden"><code id='from_f32.v-17'>fn <a href='#method.from_f32-17' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-19' class="method hidden"><code id='from_f64.v-19'>fn <a href='#method.from_f64-19' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i32.html">i32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-4' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;</code><a href='#impl-FromPrimitive-4' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-19' class="method hidden"><code id='from_i64.v-20'>fn <a href='#method.from_i64-19' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-19' class="method hidden"><code id='from_u64.v-20'>fn <a href='#method.from_u64-19' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-18' class="method hidden"><code id='from_f32.v-18'>fn <a href='#method.from_f32-18' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-20' class="method hidden"><code id='from_f64.v-20'>fn <a href='#method.from_f64-20' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-5' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;</code><a href='#impl-FromPrimitive-5' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-20' class="method hidden"><code id='from_i64.v-21'>fn <a href='#method.from_i64-20' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-20' class="method hidden"><code id='from_u64.v-21'>fn <a href='#method.from_u64-20' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-19' class="method hidden"><code id='from_f32.v-19'>fn <a href='#method.from_f32-19' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-21' class="method hidden"><code id='from_f64.v-21'>fn <a href='#method.from_f64-21' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i8.html">i8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-6' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;</code><a href='#impl-FromPrimitive-6' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-21' class="method hidden"><code id='from_i64.v-22'>fn <a href='#method.from_i64-21' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-21' class="method hidden"><code id='from_u64.v-22'>fn <a href='#method.from_u64-21' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-20' class="method hidden"><code id='from_f32.v-20'>fn <a href='#method.from_f32-20' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-22' class="method hidden"><code id='from_f64.v-22'>fn <a href='#method.from_f64-22' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.isize.html">isize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-7' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;</code><a href='#impl-FromPrimitive-7' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-22' class="method hidden"><code id='from_i64.v-23'>fn <a href='#method.from_i64-22' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-22' class="method hidden"><code id='from_u64.v-23'>fn <a href='#method.from_u64-22' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-21' class="method hidden"><code id='from_f32.v-21'>fn <a href='#method.from_f32-21' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-23' class="method hidden"><code id='from_f64.v-23'>fn <a href='#method.from_f64-23' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u16.html">u16</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-8' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;</code><a href='#impl-FromPrimitive-8' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-23' class="method hidden"><code id='from_i64.v-24'>fn <a href='#method.from_i64-23' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-23' class="method hidden"><code id='from_u64.v-24'>fn <a href='#method.from_u64-23' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-22' class="method hidden"><code id='from_f32.v-22'>fn <a href='#method.from_f32-22' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-24' class="method hidden"><code id='from_f64.v-24'>fn <a href='#method.from_f64-24' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-9' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;</code><a href='#impl-FromPrimitive-9' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-24' class="method hidden"><code id='from_i64.v-25'>fn <a href='#method.from_i64-24' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-24' class="method hidden"><code id='from_u64.v-25'>fn <a href='#method.from_u64-24' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-23' class="method hidden"><code id='from_f32.v-23'>fn <a href='#method.from_f32-23' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-25' class="method hidden"><code id='from_f64.v-25'>fn <a href='#method.from_f64-25' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-10' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;</code><a href='#impl-FromPrimitive-10' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-25' class="method hidden"><code id='from_i64.v-26'>fn <a href='#method.from_i64-25' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-25' class="method hidden"><code id='from_u64.v-26'>fn <a href='#method.from_u64-25' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-24' class="method hidden"><code id='from_f32.v-24'>fn <a href='#method.from_f32-24' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-26' class="method hidden"><code id='from_f64.v-26'>fn <a href='#method.from_f64-26' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-11' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;</code><a href='#impl-FromPrimitive-11' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#933-949' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-26' class="method hidden"><code id='from_i64.v-27'>fn <a href='#method.from_i64-26' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#934-936' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-26' class="method hidden"><code id='from_u64.v-27'>fn <a href='#method.from_u64-26' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#938-940' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-25' class="method hidden"><code id='from_f32.v-25'>fn <a href='#method.from_f32-25' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#942-944' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-27' class="method hidden"><code id='from_f64.v-27'>fn <a href='#method.from_f64-27' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#946-948' title='goto source code'>[src]</a></h4></div><h3 id='impl-FromPrimitive-12' class='impl'><code class='in-band'>impl FromPrimitive for <a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;</code><a href='#impl-FromPrimitive-12' class='anchor'></a><a class='srclink' href='../src/num_rational/lib.rs.html#913-929' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_i64-27' class="method hidden"><code id='from_i64.v-28'>fn <a href='#method.from_i64-27' class='fnname'>from_i64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.i64.html">i64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#914-916' title='goto source code'>[src]</a></h4><h4 id='method.from_u64-27' class="method hidden"><code id='from_u64.v-28'>fn <a href='#method.from_u64-27' class='fnname'>from_u64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#918-920' title='goto source code'>[src]</a></h4><h4 id='method.from_f32-26' class="method hidden"><code id='from_f32.v-26'>fn <a href='#method.from_f32-26' class='fnname'>from_f32</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f32.html">f32</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#922-924' title='goto source code'>[src]</a></h4><h4 id='method.from_f64-28' class="method hidden"><code id='from_f64.v-28'>fn <a href='#method.from_f64-28' class='fnname'>from_f64</a>(n: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.f64.html">f64</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../num/rational/struct.Ratio.html" title="struct num::rational::Ratio">Ratio</a>&lt;<a class="struct" href="../num/bigint/struct.BigInt.html" title="struct num::bigint::BigInt">BigInt</a>&gt;&gt;</code><a class='srclink' href='../src/num_rational/lib.rs.html#926-928' title='goto source code'>[src]</a></h4></div></div><span class='loading-content'>Loading content...</span><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
src="../implementors/num_traits/cast/trait.FromPrimitive.js">
</script></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>&#9166;</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g., <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g., <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "num";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
Reference in new issue View Git Blame Copy Permalink