NewAlarm creates an Alarm.

Now returns the current absolute monotonic time.

Alarm sends timed notifications on a channel.

Simulated implements a virtual Clock for reproducible time-sensitive tests.

System implements Clock using the system clock.

ChanTimer is a cancellable event created by NewTimer.

The Clock interface makes it possible to replace the monotonic system clock with a simulated clock.

Timer is a cancellable event created by AfterFunc.

AbsTime represents absolute monotonic time.