Create a webserver function with arguments that are parsed to json format

// Create a simple HelloWorld function that takes a name as string and returns "Hello " + name

package main

import (
	"fmt"
	"net/http"
	"github.com/gorilla/mux"
)

func main() {
	// Create a Router with a simple route and handler function
	mux := mux.NewRouter()
	mux.HandleFunc("/{name}", HelloWorld).Methods("GET")

	// Output "Hello World" when on http://localhost:8000/Hello
	http.ListenAndServe(":8000", mux)
}

func HelloWorld(w http.ResponseWriter, r *http.Request) {
	name := mux.Vars(r)["name"]
	fmt.Fprint(w, "Hello "+name)
}