Simple streaming API in Go

streaming-api.go

package main

import (
	"compress/gzip"
	"fmt"
	"net/http"
	"time"
)

func main() {

	waitDur, _ := time.ParseDuration("2s")

	http.HandleFunc("/hello", func(w http.ResponseWriter, r *http.Request) {

		flusher := w.(http.Flusher)

		for i := 0; i < 10; i++ {
			fmt.Fprintln(w, "Hello world", i+1, time.Now().Unix())
			flusher.Flush()
			fmt.Println("hello", i+1)
			time.Sleep(waitDur)
		}
	})

	http.HandleFunc("/gzip", func(w http.ResponseWriter, r *http.Request) {
		gzw := gzip.NewWriter(w)
		defer gzw.Close()

		flusher := w.(http.Flusher)

		for i := 0; i < 10; i++ {
			gzw.Write([]byte(fmt.Sprintln("Hello gzip", i+1, time.Now().Unix())))
			flusher.Flush()
			fmt.Println("gzip", i+1)
			time.Sleep(waitDur)
		}
	})

	http.ListenAndServe(":8000", nil)
}