Macro log::log

macro_rules! log {
    (target: $target:expr, $lvl:expr, $($arg:tt)+) => { ... };
    ($lvl:expr, $($arg:tt)+) => { ... };
}

The standard logging macro.

This macro will generically log with the specified LogLevel and format! based argument list.

The max_level_* features can be used to statically disable logging at various levels.