Is there a library for text setting intervals\delays\.. for an event to occur?

Question

go

Is there a library for text setting intervals\delays\.. for an event to occur?
By type or similar:

t1 := xxxxx.NewTimer("after 1 sec", func () {})
t2 := xxxxx.NewTimes("once per 15 mins", func() {})

Although the cron format will also pull

Answer 1

this won't work https://golang.org/pkg/time/#ParseDuration ?
well, in general, the search drives

Answer 2

https://github.com/jasonlvhit/gocron

Answer 3

https://godoc.org/github.com/robfig/cron

Answer 4

Depending on the complexity of the implementation, the usual infinite loop with slips may suffice

go func() {
        for {
            // do something
            // ...
            // sleep
            time.Sleep(time.Duration(15) * time.Second)
        }
}()