Playing with go

goserver.go

package main

import (
    "bytes"
    "io"
    "io/ioutil"
    "net/http"
)

func handler(w http.ResponseWriter, r *http.Request) {
    foo(r)
}

func main() {
    http.HandleFunc("/", handler)
    http.ListenAndServe(":8080", nil)
}

func foo(r *http.Request) *http.Response {
	out := "{}"
	var closerBuffer io.ReadCloser = ioutil.NopCloser(bytes.NewBufferString(out))
	w := &http.Response{
		Request:       r,
		StatusCode:    http.StatusOK,
		ProtoMajor:    r.ProtoMajor,
		ProtoMinor:    r.ProtoMinor,
		ContentLength: int64(len(out)),
		Body:          closerBuffer,
	}
	w.Header = make(map[string][]string)
	w.Header.Add("Content-Type", "application/json")
	return w
}