stitcher5.go

const wordSeparator = ", "

// Stitcher calls the Hello and World APIs to create a very useful string
func Stitcher(helloURL string, worldURL string) string {

	helloChannel := make(chan []byte, 1)
	worldChannel := make(chan []byte, 1)

	go getStringFromAPI(helloChannel, helloURL)
	go getStringFromAPI(worldChannel, worldURL)

	return string(<-helloChannel) + wordSeparator + string(<-worldChannel)
}

func getStringFromAPI(ch chan<- []byte, url string) {
	response, _ := http.Get(url)
	defer response.Body.Close()
	content, _ := ioutil.ReadAll(response.Body)
	ch <- content
}