Golang time.Time.AfterFunc() function example

package time

Golang time.Time.AfterFunc() function usage example. Useful in situation where you want to execute tasks after a certain time lapsed.

 package main

 import (
 "fmt"
 "time"
 )

 func main() {
 duration := time.Duration(5) * time.Second

 f := func() {
 fmt.Println("Called by AfterFunc() after 5 seconds")
 }

 timer := time.AfterFunc(duration, f)

 defer timer.Stop()

 // sleep for 1 minute
 time.Sleep(time.Minute)

 }

Output :

Called by AfterFunc() after 5 seconds

Reference :

http://golang.org/pkg/time/#AfterFunc