GoPadawan Concurrencia Select Array

GoPadawan Concurrencia Select Array.go

package main

import (
	"fmt"
	"sync"
)

func multiplexar(inputs []chan int, output chan int) {
	var group sync.WaitGroup
	for i := range inputs {
		group.Add(1)
		go func(input <-chan int) {
			for val := range input {
				output <- val
			}
			group.Done()
		}(inputs[i])
	}
	go func() {
		group.Wait()
		close(output)
	}()
}

func main() {
	in := make([]chan int, 10)
	for i := 0; i < len(in); i += 1 {
		in[i] = make(chan int)
		go func(c chan int, i int) {
			c <- i
			close(c)
		}(in[i], i)
	}
	out := make(chan int)
	multiplexar(in, out)
	for x := range out {
		fmt.Println("He leído", x)
	}
}

//Extraído de: http://stackoverflow.com/a/10985364/1600421