PUT request of JSON object

suggest change

http.Client doesn’t have a convenience method for doing PUT requests, so we construct a http.Request object and use http.Client.Do(req *http.Request) to perform that request.

user := User{
	Name:  "John Doe",
	Email: "johndoe@example.com",

d, err := json.Marshal(user)
if err != nil {
	log.Fatalf("json.Marshal() failed with '%s'\n", err)

client := &http.Client{}
client.Timeout = time.Second * 15

uri := "https://httpbin.org/put"
body := bytes.NewBuffer(d)
req, err := http.NewRequest(http.MethodPut, uri, body)
if err != nil {
	log.Fatalf("http.NewRequest() failed with '%s'\n", err)

req.Header.Set("Content-Type", "application/json; charset=utf-8")
resp, err := client.Do(req)
if err != nil {
	log.Fatalf("client.Do() failed with '%s'\n", err)

defer resp.Body.Close()
d, err = ioutil.ReadAll(resp.Body)
if err != nil {
	log.Fatalf("ioutil.ReadAll() failed with '%s'\n", err)

fmt.Printf("Response status code: %d, text:\n%s\n", resp.StatusCode, string(d))

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