Macro sleep4

macro_rules! sleep4 {
    ($s:expr) => { ... };
    ($s:expr, $ms:expr) => { ... };
    ($s:expr, $ms:expr, $us:expr) => { ... };
    ($s:expr, $ms:expr, $us:expr, $ns:expr) => { ... };
}

Available on crate feature std only.

A more compact Thread::sleep.

Sleeps for $ns seconds + $ms milliseconds + $us microseconds + $ns nanoseconds

Examples

sleep4![1, 0, 500]; // sleeps for 1 second + 500 microseconds