package main

import (
	"fmt"
	"net/http"
)

type appleHandler int
type bananaHandler string

func (a appleHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintln(w, "Apple 🍎")
}

func (b bananaHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintln(w, "Banana 🍌")
}

func main() {
	var a appleHandler
	var b bananaHandler
	mux := http.NewServeMux()
	mux.Handle("/apple", a)
	mux.Handle("/banana", b)
	http.ListenAndServe("localhost:8080", mux)
}