Macro log

macro_rules! log {
    ($log:expr, $severity:expr, $($arg:tt)*) => { ... };
    ($log:expr => $md:expr, $severity:expr, $($arg:tt)*) => { ... };
}

Logs a message of formatted args at the specified severity level

Examples

Basic use:

log::log!(logger, Severity::Debug, "Hello {}!", "world");

Use with metadata:

log::log!(logger, Severity::Debug, "Hello {}!", "world");