“Golang Limit Max Number goroutines” Ответ

Golang Limit Max Number goroutines

package main

import (
	"fmt"
	"sync"
)

var wg sync.WaitGroup

func main() {
	const max = 10
	queue := make(chan int, max)
	for i := 0; i < max; i++ {
		wg.Add(1)
		queue <- 1
		go worker(queue)
	}
	close(queue)
	wg.Wait()
	fmt.Println("Done")
}
func worker(queue chan int) {
	for job := range queue {
		fmt.Print(job, " ") // a job
	}
	<-queue
	defer wg.Done()
}