package main

import (

"fmt"

"log"

"net/http"

)

func main() {

http.HandleFunc("/", handler)

fmt.Printf("Starting server at port 8055\n")

log.Fatal(http.ListenAndServe(":8055", nil))

}

func handler(w http.ResponseWriter, r *http.Request) {

// declare and init a value for name to be "guest"

name := "guest"

// check to see if they actually provided a value

// for the name parameter

keys, ok := r.URL.Query()["name"]

// if they passed a parameter called "name"

if ok {

name = keys[0] // in the event they used "name" param

// multiple times, we just get the

// first instance

}

fmt.Fprintf(w, "Hello %s!\n", name)

}