//Duration prints the time of some func
Duration prints the time of some func
// Duration prints the time of some func
func Duration(invocation time.Time, name string) {
	elapsed := time.Since(invocation)
	log.Infof("%s lasted %s", name, elapsed)
}
func Duration ( invocation time . Time , name string ) { elapsed := time . Since ( invocation ) log . Infof ( " " , name , elapsed ) }
Duration prints the time of some func
Duration prints the time of some func