std/timer

Scheduling primitives for delaying the current task.

timer is separate from Instant and Duration: those files describe time values, while this file performs time-based waiting.

Import with import std/timer.

timer.sleep

fn sleep(d: Duration): Unit

Suspends the current task for the given duration.

When called inside a concurrent { } block, cancellation of that block’s context ends the sleep early without producing a user-visible error.

Interactive Tests

assert timer.sleep(Duration.nanoseconds(0)) == Unit