Macro log::log [−][src]
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 Level
and format!
based argument list.
Examples
use log::Level; let data = (42, "Forty-two"); let private_data = "private"; log!(Level::Error, "Received errors: {}, {}", data.0, data.1); log!(target: "app_events", Level::Warn, "App warning: {}, {}, {}", data.0, data.1, private_data);