package main

import (
	fmt "fmt"
	"log"
	"net/http"
)


func main() {
	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		for k, v := range r.Header {
			fmt.Fprintf(w, "%q : %q\n", k, v)
		}
	})

	log.Fatal(http.ListenAndServe(":8080", nil))
}