future sample

future_sample.go

package main

import "fmt"

type task struct {
	url string
	result chan string
}

func main() {
	tasks := [...]*task{
		&task{"http://hoge.example.com/", make(chan string)},
		&task{"http://moke.example.com/", make(chan string)},
		&task{"http://bosukete.example.com/", make(chan string)},
	}
		
	for _, t := range tasks {
		go func(t *task) {
			t.result<-t.url + "result"
		}(t)
	}
	
	for _, t := range tasks {
		fmt.Println(<-t.result)
	}
}