chan-mania.go

package main

import (
	"fmt"
	"sync"
)

type Receiver struct{
	doneCh chan bool
	wg sync.WaitGroup
}

func (r *Receiver) Stop() {
	close(r.doneCh)
	r.wg.Wait()
}

func (r *Receiver) Start() {
	go func(){
		for{
		select{
			case <- r.doneCh:
				fmt.Println("Closed Start 1")
				r.wg.Done()
				return
		}
		}
	
	}()
	go func(){
		for{
		select{
			case <- r.doneCh:
				fmt.Println("Closed Start 2")
				r.wg.Done()
				return
		}
		}
	
	}()

}

func NewReceiver() *Receiver {
	n:= &Receiver{
		doneCh : make(chan bool),
	}
	n.wg.Add(2)
	return n
}

func main() {
	rec:=NewReceiver()
	rec.Start()
	rec.Stop()
	fmt.Println("Bye, playground")
}