Go ticker which runs immediately after creating

ticker.go

func NewTicker(d time.Duration) *time.Ticker {
	ticker := time.NewTicker(d)
	oc := ticker.C
	nc := make(chan time.Time, 1)
	go func() {
		nc <- time.Now()
		for t := range oc {
			nc <- t
		}
	}()
	ticker.C = nc
	return ticker
}