codewars/go/stepik/3/channel_task.go

package main

import (
	"fmt"
)

func work() {
	fmt.Println("Tt's function work")
}

func main() {
	done := make(chan struct{})

	go func(d chan struct{}) {
		work()
		close(d)
	}(done)

	<-done

	fmt.Println("Function main() was finished")
}