httpserver.go

package main 

import ("fmt"
	   "net/http"
)

func main(){
	rootHttpHandler := func(writer http.ResponseWriter, request *http.Request) {
		fmt.Fprintf(writer, "Request Method: %s\n", request.Method)
		fmt.Fprintf(writer, "Request Method: %q\n", request.URL)
		fmt.Fprintf(writer, "Request Method: %s\n", request.Host)
		fmt.Fprintf(writer, "Request Method: %s\n", request.Proto)
	}
	demoHttpHandler := func(writer http.ResponseWriter, request *http.Request) {
		fmt.Fprintf(writer, "Served from the demo endpoint: %s\n", request.URL.Path)
	}
	http.HandleFunc("/", rootHttpHandler)
	http.HandleFunc("/demo", demoHttpHandler)
	http.ListenAndServe(":9000", nil)
}