channels.go

package main

import (
	"fmt"
	"sync"
	"time"
)

func main() {
	var count = 100
	var wg sync.WaitGroup
	results := make(chan int, count)

	wg.Add(count)

	for i := 0; i < count; i++ {
		go func(v int) {
			defer wg.Done()
			time.Sleep(1 * time.Second)
			results <- v
		}(i)
	}
	wg.Wait()

	for i := 0; i < count; i++ {
		result := <-results
		fmt.Println(result)
	}

}