NewAfterTimer returns a new Timer containing a function that will be called after duration that specified by the duration argument.

NewCondTimer returns a new Timer containing a function that will be called when condition satisfied that specified by the condition argument.

NewCountTimer returns a new Timer containing a function that will be called with a period specified by the duration argument.

NewTimer returns a new Timer containing a function that will be called with a period specified by the duration argument.

LocalScheduler schedules task to a customized goroutine.