pub fn sleep(msecs: u64) {
    let mut timer = Timer::new().expect("timer::sleep: could not create a Timer");

    timer.sleep(msecs)
}
/// Sleep the current task for `msecs` milliseconds.
Sleep the current task for `msecs` milliseconds.
Sleep the current task for ` msecs ` milliseconds .
pub fn sleep(msecs: u64) {
    let mut timer = Timer::new().expect("timer::sleep: could not create a Timer");
    timer.sleep(msecs)
}
pub fn sleep ( msecs : u64 ) { let mut timer = Timer :: new ( ) . expect ( " " ) ; timer . sleep ( msecs ) }
Sleep the current task for `msecs` milliseconds.
Sleep the current task for ` msecs ` milliseconds .
msecs
u64
msecs
u64