# debug in log - Rust
Logs a message at the debug level.
Keywords: rust, rustlang, rust-lang, debug

# Macro log::debug

source · [−]

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

Expand description

Logs a message at the debug level.

## Examples

ⓘ

    use log::debug;

    let pos = Position { x: 3.234, y: -1.223 };

    debug!("New position: x: {}, y: {}", pos.x, pos.y);
    debug!(target: "app_events", "New position: x: {}, y: {}", pos.x, pos.y);