Macro log_once::error_once
[−]
[src]
macro_rules! error_once { (target: $target:expr, $($arg:tt)*) => { ... }; ($($arg:tt)*) => { ... }; }
Logs a message once at the error level.
The log event will only be emmited once for each combinaison of target/arguments.
Logging at this level is disabled if the max_level_off
feature is present.