main.go

package main

import (
	"fmt"
	"time"
)

func timeTrack(start time.Time) {
	fmt.Println("Execution time:", time.Since(start))
}

func main() {
	sleepyTime()
}

func sleepyTime() {
	defer timeTrack(time.Now())

	time.Sleep(time.Second * 2)
	fmt.Println("Wakey wakey")
}