Add adds a timed task to default cron object.

AddOnce adds a timed task which can be run only once, to default cron object.

AddSingleton adds a singleton timed task, to default cron object.

AddTimes adds a timed task which can be run specified times, to default cron object.

DelayAdd adds a timed task to default cron object after `delay` time.

DelayAddOnce adds a timed task after `delay` time to default cron object.

DelayAddSingleton adds a singleton timed task after `delay` time to default cron object.

DelayAddTimes adds a timed task after `delay` time to default cron object.

Entries return all timed tasks as slice.

Remove deletes scheduled task which named `name`.

Search returns a scheduled task with the specified `name`.

Size returns the size of the timed tasks of default cron.

Start starts running the specified timed task named `name`.

Stop stops running the specified timed task named `name`.

JobFunc is the timing called job function in timer.