Response Model

A response combines a status code, body text, and headers.

response_model.go

package main

import "fmt"

type response struct {
	Status  int
	Body    string
	Headers map[string]string
}

func main() {
	var userID = 
	res := response{Status: 200, Body: "user " + userID, Headers: map[string]string{}}

	if userID == "missing" {
		res.Status = 404
		res.Body = "user not found"
	}
	res.Headers["Content-Type"] = "text/plain"

	fmt.Println("userID=", userID)
	fmt.Println("status=", res.Status)
	fmt.Println("body=", res.Body)
	fmt.Println("contentType=", res.Headers["Content-Type"])
}

package main

import "fmt"

type response struct {
	Status  int
	Body    string
	Headers map[string]string
}

func main() {
	var userID = 
	res := response{Status: 200, Body: "user " + userID, Headers: map[string]string{}}

	if userID == "missing" {
		res.Status = 404
		res.Body = "user not found"
	}
	res.Headers["Content-Type"] = "text/plain"

	fmt.Println("userID=", userID)
	fmt.Println("status=", res.Status)
	fmt.Println("body=", res.Body)
	fmt.Println("contentType=", res.Headers["Content-Type"])
}

package main

import "fmt"

type response struct {
	Status  int
	Body    string
	Headers map[string]string
}

func main() {
	var userID = 
	res := response{Status: 200, Body: "user " + userID, Headers: map[string]string{}}

	if userID == "missing" {
		res.Status = 404
		res.Body = "user not found"
	}
	res.Headers["Content-Type"] = "text/plain"

	fmt.Println("userID=", userID)
	fmt.Println("status=", res.Status)
	fmt.Println("body=", res.Body)
	fmt.Println("contentType=", res.Headers["Content-Type"])
}

response Server code fills a response value so the caller can inspect status, body, and headers.