<!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="Source to the Rust file `/home/mrh/source/vulkano/vulkano/src/descriptor/descriptor_set/collection.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>collection.rs.html -- source</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 source"><!--[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">☰</div><a href='../../../../vulkano/index.html'><div class='logo-container'><img src='https://raw.githubusercontent.com/vulkano-rs/vulkano/master/logo.png' alt='logo'></div></a></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"><pre class="line-numbers"><span id="1"> 1</span>
<span id="2"> 2</span>
<span id="3"> 3</span>
<span id="4"> 4</span>
<span id="5"> 5</span>
<span id="6"> 6</span>
<span id="7"> 7</span>
<span id="8"> 8</span>
<span id="9"> 9</span>
<span id="10"> 10</span>
<span id="11"> 11</span>
<span id="12"> 12</span>
<span id="13"> 13</span>
<span id="14"> 14</span>
<span id="15"> 15</span>
<span id="16"> 16</span>
<span id="17"> 17</span>
<span id="18"> 18</span>
<span id="19"> 19</span>
<span id="20"> 20</span>
<span id="21"> 21</span>
<span id="22"> 22</span>
<span id="23"> 23</span>
<span id="24"> 24</span>
<span id="25"> 25</span>
<span id="26"> 26</span>
<span id="27"> 27</span>
<span id="28"> 28</span>
<span id="29"> 29</span>
<span id="30"> 30</span>
<span id="31"> 31</span>
<span id="32"> 32</span>
<span id="33"> 33</span>
<span id="34"> 34</span>
<span id="35"> 35</span>
<span id="36"> 36</span>
<span id="37"> 37</span>
<span id="38"> 38</span>
<span id="39"> 39</span>
<span id="40"> 40</span>
<span id="41"> 41</span>
<span id="42"> 42</span>
<span id="43"> 43</span>
<span id="44"> 44</span>
<span id="45"> 45</span>
<span id="46"> 46</span>
<span id="47"> 47</span>
<span id="48"> 48</span>
<span id="49"> 49</span>
<span id="50"> 50</span>
<span id="51"> 51</span>
<span id="52"> 52</span>
<span id="53"> 53</span>
<span id="54"> 54</span>
<span id="55"> 55</span>
<span id="56"> 56</span>
<span id="57"> 57</span>
<span id="58"> 58</span>
<span id="59"> 59</span>
<span id="60"> 60</span>
<span id="61"> 61</span>
<span id="62"> 62</span>
<span id="63"> 63</span>
<span id="64"> 64</span>
<span id="65"> 65</span>
<span id="66"> 66</span>
<span id="67"> 67</span>
<span id="68"> 68</span>
<span id="69"> 69</span>
<span id="70"> 70</span>
<span id="71"> 71</span>
<span id="72"> 72</span>
<span id="73"> 73</span>
<span id="74"> 74</span>
<span id="75"> 75</span>
<span id="76"> 76</span>
<span id="77"> 77</span>
<span id="78"> 78</span>
<span id="79"> 79</span>
<span id="80"> 80</span>
<span id="81"> 81</span>
<span id="82"> 82</span>
<span id="83"> 83</span>
<span id="84"> 84</span>
<span id="85"> 85</span>
<span id="86"> 86</span>
<span id="87"> 87</span>
<span id="88"> 88</span>
<span id="89"> 89</span>
<span id="90"> 90</span>
<span id="91"> 91</span>
<span id="92"> 92</span>
<span id="93"> 93</span>
<span id="94"> 94</span>
<span id="95"> 95</span>
<span id="96"> 96</span>
<span id="97"> 97</span>
<span id="98"> 98</span>
<span id="99"> 99</span>
<span id="100">100</span>
<span id="101">101</span>
<span id="102">102</span>
<span id="103">103</span>
<span id="104">104</span>
<span id="105">105</span>
<span id="106">106</span>
<span id="107">107</span>
<span id="108">108</span>
<span id="109">109</span>
<span id="110">110</span>
<span id="111">111</span>
<span id="112">112</span>
<span id="113">113</span>
<span id="114">114</span>
<span id="115">115</span>
<span id="116">116</span>
<span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
<span id="121">121</span>
<span id="122">122</span>
<span id="123">123</span>
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<span id="133">133</span>
<span id="134">134</span>
<span id="135">135</span>
<span id="136">136</span>
<span id="137">137</span>
<span id="138">138</span>
<span id="139">139</span>
<span id="140">140</span>
<span id="141">141</span>
<span id="142">142</span>
<span id="143">143</span>
<span id="144">144</span>
<span id="145">145</span>
<span id="146">146</span>
<span id="147">147</span>
<span id="148">148</span>
<span id="149">149</span>
<span id="150">150</span>
<span id="151">151</span>
<span id="152">152</span>
<span id="153">153</span>
<span id="154">154</span>
<span id="155">155</span>
<span id="156">156</span>
<span id="157">157</span>
<span id="158">158</span>
<span id="159">159</span>
<span id="160">160</span>
<span id="161">161</span>
<span id="162">162</span>
<span id="163">163</span>
<span id="164">164</span>
<span id="165">165</span>
<span id="166">166</span>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
</pre><div class="example-wrap"><pre class="rust ">
<span class="comment">// Copyright (c) 2016 The vulkano developers</span>
<span class="comment">// Licensed under the Apache License, Version 2.0</span>
<span class="comment">// <LICENSE-APACHE or</span>
<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0> or the MIT</span>
<span class="comment">// license <LICENSE-MIT or http://opensource.org/licenses/MIT>,</span>
<span class="comment">// at your option. All files in the project carrying such</span>
<span class="comment">// notice may not be copied, modified, or distributed except</span>
<span class="comment">// according to those terms.</span>
<span class="kw">use</span> <span class="ident">descriptor</span>::<span class="ident">descriptor</span>::<span class="ident">DescriptorDesc</span>;
<span class="kw">use</span> <span class="ident">descriptor</span>::<span class="ident">descriptor_set</span>::<span class="ident">DescriptorSet</span>;
<span class="kw">use</span> <span class="ident">descriptor</span>::<span class="ident">descriptor_set</span>::<span class="ident">DescriptorSetDesc</span>;
<span class="doccomment">/// A collection of descriptor set objects.</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">trait</span> <span class="ident">DescriptorSetsCollection</span> {
<span class="kw">fn</span> <span class="ident">into_vec</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span><span class="op">></span>;
<span class="doccomment">/// Returns the number of descriptors in the set. Includes possibly empty descriptors.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Returns `None` if the set is out of range.</span>
<span class="comment">// TODO: remove ; user should just use `into_vec` instead</span>
<span class="kw">fn</span> <span class="ident">num_bindings_in_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span>;
<span class="doccomment">/// Returns the descriptor for the given binding of the given set.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Returns `None` if out of range.</span>
<span class="comment">// TODO: remove ; user should just use `into_vec` instead</span>
<span class="kw">fn</span> <span class="ident">descriptor</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>, <span class="ident">binding</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DescriptorDesc</span><span class="op">></span>;
}
<span class="kw">unsafe</span> <span class="kw">impl</span> <span class="ident">DescriptorSetsCollection</span> <span class="kw">for</span> () {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">into_vec</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span><span class="op">></span> {
<span class="macro">vec</span><span class="macro">!</span>[]
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">num_bindings_in_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="prelude-val">None</span>
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">descriptor</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="ident">usize</span>, <span class="kw">_</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DescriptorDesc</span><span class="op">></span> {
<span class="prelude-val">None</span>
}
}
<span class="kw">unsafe</span> <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">DescriptorSetsCollection</span> <span class="kw">for</span> <span class="ident">T</span>
<span class="kw">where</span> <span class="ident">T</span>: <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span>
{
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">into_vec</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span><span class="op">></span> {
<span class="macro">vec</span><span class="macro">!</span>[<span class="ident">Box</span>::<span class="ident">new</span>(<span class="self">self</span>) <span class="kw">as</span> <span class="ident">Box</span><span class="op"><</span><span class="kw">_</span><span class="op">></span>]
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">num_bindings_in_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="kw">match</span> <span class="ident">set</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="self">self</span>.<span class="ident">num_bindings</span>()),
<span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">None</span>,
}
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">descriptor</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>, <span class="ident">binding</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DescriptorDesc</span><span class="op">></span> {
<span class="kw">match</span> <span class="ident">set</span> {
<span class="number">0</span> <span class="op">=</span><span class="op">></span> <span class="self">self</span>.<span class="ident">descriptor</span>(<span class="ident">binding</span>),
<span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">None</span>,
}
}
}
<span class="kw">unsafe</span> <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> <span class="ident">DescriptorSetsCollection</span> <span class="kw">for</span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
<span class="kw">where</span> <span class="ident">T</span>: <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span>
{
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">into_vec</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span><span class="op">></span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">v</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
<span class="kw">for</span> <span class="ident">o</span> <span class="kw">in</span> <span class="self">self</span> {
<span class="ident">v</span>.<span class="ident">push</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">o</span>) <span class="kw">as</span> <span class="ident">Box</span><span class="op"><</span><span class="kw">_</span><span class="op">></span>);
}
<span class="kw">return</span> <span class="ident">v</span>;
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">num_bindings_in_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">get</span>(<span class="ident">set</span>).<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span>.<span class="ident">num_bindings</span>())
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">descriptor</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">set</span>: <span class="ident">usize</span>, <span class="ident">binding</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DescriptorDesc</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">get</span>(<span class="ident">set</span>).<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span>.<span class="ident">descriptor</span>(<span class="ident">binding</span>))
}
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_collection</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">first</span>:<span class="ident">ident</span> $(, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>:<span class="ident">ident</span>)<span class="op">+</span>) <span class="op">=</span><span class="op">></span> (
<span class="kw">unsafe</span> <span class="kw">impl</span><span class="op"><</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">first</span>$(, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>)<span class="op">+</span><span class="op">></span> <span class="ident">DescriptorSetsCollection</span> <span class="kw">for</span> (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">first</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>),<span class="op">+</span>)
<span class="kw">where</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">first</span>: <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">DescriptorSetDesc</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span>
$(, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>: <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">DescriptorSetDesc</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="lifetime">'static</span>)<span class="op">*</span>
{
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">into_vec</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="ident">dyn</span> <span class="ident">DescriptorSet</span> <span class="op">+</span> <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span><span class="op">></span><span class="op">></span> {
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="kw">let</span> (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">first</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>,)<span class="kw-2">*</span>) <span class="op">=</span> <span class="self">self</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">list</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
<span class="ident">list</span>.<span class="ident">push</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">first</span>) <span class="kw">as</span> <span class="ident">Box</span><span class="op"><</span><span class="kw">_</span><span class="op">></span>);
$(
<span class="ident">list</span>.<span class="ident">push</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>) <span class="kw">as</span> <span class="ident">Box</span><span class="op"><</span><span class="kw">_</span><span class="op">></span>);
)<span class="op">+</span>
<span class="ident">list</span>
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">num_bindings_in_set</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">set</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">unused_mut</span>)]</span> <span class="comment">// For the `set` parameter.</span>
<span class="kw">if</span> <span class="ident">set</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">num_bindings</span>());
}
<span class="kw">let</span> <span class="kw-2">&</span>(<span class="kw">_</span>, $(<span class="kw-2">ref</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>,)<span class="kw-2">*</span>) <span class="op">=</span> <span class="self">self</span>;
$(
<span class="ident">set</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
<span class="kw">if</span> <span class="ident">set</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
<span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>.<span class="ident">num_bindings</span>());
}
)<span class="op">*</span>
<span class="prelude-val">None</span>
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">descriptor</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">set</span>: <span class="ident">usize</span>, <span class="ident">binding</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DescriptorDesc</span><span class="op">></span> {
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_snake_case</span>)]</span>
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">unused_mut</span>)]</span> <span class="comment">// For the `set` parameter.</span>
<span class="kw">if</span> <span class="ident">set</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
<span class="kw">return</span> <span class="self">self</span>.<span class="number">0</span>.<span class="ident">descriptor</span>(<span class="ident">binding</span>);
}
<span class="kw">let</span> <span class="kw-2">&</span>(<span class="kw">_</span>, $(<span class="kw-2">ref</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>,)<span class="kw-2">*</span>) <span class="op">=</span> <span class="self">self</span>;
$(
<span class="ident">set</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
<span class="kw">if</span> <span class="ident">set</span> <span class="op">=</span><span class="op">=</span> <span class="number">0</span> {
<span class="kw">return</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>.<span class="ident">descriptor</span>(<span class="ident">binding</span>);
}
)<span class="op">*</span>
<span class="prelude-val">None</span>
}
}
<span class="macro">impl_collection</span><span class="macro">!</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">others</span>),<span class="op">+</span>);
);
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>) <span class="op">=</span><span class="op">></span> ();
}
<span class="macro">impl_collection</span><span class="macro">!</span>(<span class="ident">Z</span>,
<span class="ident">Y</span>,
<span class="ident">X</span>,
<span class="ident">W</span>,
<span class="ident">V</span>,
<span class="ident">U</span>,
<span class="ident">T</span>,
<span class="ident">S</span>,
<span class="ident">R</span>,
<span class="ident">Q</span>,
<span class="ident">P</span>,
<span class="ident">O</span>,
<span class="ident">N</span>,
<span class="ident">M</span>,
<span class="ident">L</span>,
<span class="ident">K</span>,
<span class="ident">J</span>,
<span class="ident">I</span>,
<span class="ident">H</span>,
<span class="ident">G</span>,
<span class="ident">F</span>,
<span class="ident">E</span>,
<span class="ident">D</span>,
<span class="ident">C</span>,
<span class="ident">B</span>,
<span class="ident">A</span>);
</pre></div>
</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>⏎</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 = "vulkano";</script><script src="../../../../aliases.js"></script><script src="../../../../main.js"></script><script src="../../../../source-script.js"></script><script src="../../../../source-files.js"></script><script defer src="../../../../search-index.js"></script></body></html>