channel.go

package main

import "fmt"

func doubling(n int) int {
	return 2 * n
}

func main() {
	cNumber := make(chan int)
	for i := 0; i <= 10; i++ {
		go func(i int) {
			//TODO
		}(i)
	}

	for i := 0; i <= 10; i++ {
		var n int
		n = <-cNumber
		fmt.Println(doubling(n))
	}

	go func() {
		for i := 0; i <= 10; i++ {
			//TODO
		}
	}()

	for i := 0; i <= 10; i++ {
		var result int
		result = doubling(<-cNumber)
		fmt.Println(result)
	}
}