Go HTTP Flusher Example

flusher.go

// http.Flusher example

package main

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

// curl -i http://localhost:3000
func home(rw http.ResponseWriter, r *http.Request) {
    flusher, ok := rw.(http.Flusher)
    if !ok {
        panic("Expected http.ResponseWriter to be an http.Flusher")
    }
    for i := 1; i <= 5; i++ {
        fmt.Fprintf(rw, "Chunk #%d\n", i)
        flusher.Flush() // Trigger "chunked" encoding and send a chunk...
        time.Sleep(500 * time.Millisecond)
    }
}

func main() {
     http.ListenAndServe(":3000", http.HandlerFunc(home))
}