// Homework 33, problem 2: Double from the path.
//
// GET /double/21 replies with "21 doubled is 42". Use r.PathValue and
// strconv.Atoi. A value that is not a whole number, or that is not from
// -1000000 to 1000000, replies with status 400.
//
// Run with: go run exercises/33/homework/02-double.go

package main

import (
	"fmt"
	"net/http"
)

func handleDouble(w http.ResponseWriter, r *http.Request) {
	// TODO: write your code here, in place of this placeholder line:
	fmt.Fprintln(w, "TODO: replace this line")
}

func main() {
	http.HandleFunc("GET /double/{n}", handleDouble)

	fmt.Println("Server running at http://localhost:8080")
	fmt.Println("Press Ctrl+C to stop it.")

	err := http.ListenAndServe("localhost:8080", nil)
	if err != nil {
		fmt.Println("Server stopped:", err)
	}
}