Macro logging_timer::stimer

macro_rules! stimer {
    ($name:expr) => { ... };
    ($level:expr; $name:expr) => { ... };
    ($level:expr; $name:expr, $format:tt) => { ... };
    ($name:expr, $format:tt) => { ... };
    ($name:expr, $format:tt, $($arg:expr),*) => { ... };
    ($level:expr; $name:expr, $format:tt, $($arg:expr),*) => { ... };
}

Creates a timer that logs a starting mesage and a finished message.