async http get from @merbivore, now refactored away

gistfile1.go

package main

import (
	"fmt"
	"net/http"
)

var urls = []string{
	"http://www.google.com/",
	"http://www.facebook.com/",
	"http://news.ycombinator.com/",
}

type HttpResponse struct {
	url      string
	response *http.Response
	err      error
}

func AsyncHttpGets(urls []string) chan *HttpResponse {
	responses := make(chan *HttpResponse, len(urls))
	for _, url := range urls {
		go func(url string) {
			fmt.Printf("Fetching %s \n", url)
			resp, err := http.Get(url)
			responses <- &HttpResponse{url, resp, err}
		}(url)
	}
	return responses
}

func main() {
	channel := AsyncHttpGets(urls)
	for i := 0; i < cap(channel); i++ {
		result := <-channel
		fmt.Printf("%s status: %s\n", result.url,
			result.response.Status)
	}
}