# Using the render package If you want rendering JSON and HTML to be even simpler, there is the`github.com/unrolled/render` package. This package was inspired by the`martini-contrib/render` package and is my goto when it comes to rendering datafor presentation in my web applications. ~~~ package main import ( "net/http" "gopkg.in/unrolled/render.v1" ) func main() { r := render.New(render.Options{}) mux := http.NewServeMux() mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) { w.Write([]byte("Welcome, visit sub pages now.")) }) mux.HandleFunc("/data", func(w http.ResponseWriter, req *http.Request) { r.Data(w, http.StatusOK, []byte("Some binary data here.")) }) mux.HandleFunc("/json", func(w http.ResponseWriter, req *http.Request) { r.JSON(w, http.StatusOK, map[string]string{"hello": "json"}) }) mux.HandleFunc("/html", func(w http.ResponseWriter, req *http.Request) { // Assumes you have a template in ./templates called "example.tmpl" // $ mkdir -p templates && echo "<h1>Hello {{.}}.</h1>" > templates/example.tmpl r.HTML(w, http.StatusOK, "example", nil) }) http.ListenAndServe(":8080", mux) } ~~~ ## Exercises 1. Have fun playing with all of the options available when calling `render.New()` 1. Try using the `.yield` helper function (with the curly braces) and a layout with HTML templates.