bevy_log 0.18.1

Provides logging for Bevy Engine
Documentation 
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/// Call [`trace!`](crate::trace) once per call site.
///
/// Useful for logging within systems which are called every frame.
#[macro_export]
macro_rules! trace_once {
    ($($arg:tt)+) => ({
        $crate::once!($crate::trace!($($arg)+))
    });
}

/// Call [`debug!`](crate::debug) once per call site.
///
/// Useful for logging within systems which are called every frame.
#[macro_export]
macro_rules! debug_once {
    ($($arg:tt)+) => ({
        $crate::once!($crate::debug!($($arg)+))
    });
}

/// Call [`info!`](crate::info) once per call site.
///
/// Useful for logging within systems which are called every frame.
#[macro_export]
macro_rules! info_once {
    ($($arg:tt)+) => ({
        $crate::once!($crate::info!($($arg)+))
    });
}

/// Call [`warn!`](crate::warn) once per call site.
///
/// Useful for logging within systems which are called every frame.
#[macro_export]
macro_rules! warn_once {
    ($($arg:tt)+) => ({
        $crate::once!($crate::warn!($($arg)+))
    });
}

/// Call [`error!`](crate::error) once per call site.
///
/// Useful for logging within systems which are called every frame.
#[macro_export]
macro_rules! error_once {
    ($($arg:tt)+) => ({
        $crate::once!($crate::error!($($arg)+))
    });
}