implementing #ServeHTTP method of #Handler #interface #go #Go

serveHTTPInterfaceExample.go

package main

import (
	"fmt"
	"net/http"
)

type String string

type Struct struct {
	Greeting string
	Punct    string
	Who      string
}

func (s String) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, string(s))
}

func (s Struct) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "%s%s %s", s.Greeting, s.Punct, s.Who)
}

func main() {
	http.Handle("/string", String("I'm a knot, understand?"))
	http.Handle("/struct", &Struct{"Hello", ",", "Gophers!"})
	http.ListenAndServe("localhost:4001", nil)
}