go_concurrency.channels.multi_read_write_2.main.go

package main

import (
	"fmt"
	"sync"
)

func main() {
	ch := make(chan int)

	go write(ch)

	for v := range ch {
		fmt.Println(v)
	}
}

func write(ch chan int) {
	wg := sync.WaitGroup{}
	wg.Add(10)

	for i := 1; i <= 10; i++ {
		go func(v int) {
			ch <- v // 💡 Unexpected results can be got, if we send i directly
			wg.Done()
		}(i)
	}

	wg.Wait()
  
	close(ch)
}