Chunked Response

main.go

package main

import (
	"fmt"
	"log"
	"net/http"
	"time"
)

// Test with:
//   curl -N localhost:9090

func main() {
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		flusher, ok := w.(http.Flusher)
		if !ok {
			w.WriteHeader(http.StatusInternalServerError)
			return
		}
		for i := 0; i < 10; i++ {
			time.Sleep(200 * time.Millisecond)
			w.Write([]byte(fmt.Sprintf("chunk %d", i)))
			flusher.Flush()
		}
	})
	log.Println("starting on :9090")
	log.Fatal(http.ListenAndServe(":9090", nil))
}