Crate timer

A simple timer, used to enqueue operations meant to be executed at a given time or after a given delay.

Structs

Guard	A value scoping a schedule. When this value is dropped, the schedule is cancelled.
MessageTimer	A timer, used to schedule delivery of messages at a later date.
Timer	A timer, used to schedule execution of callbacks at a later date.
TimerBase	Shared coordination logic for timer threads.