Go Standard Library Cookbook

How to do it...

1. Open the console and create the folder chapter09/recipe05.
2. Navigate to the directory.
3. Create the handle.go file with the following content:

        package main        import (          "fmt"          "net/http"        )        func main() {          mux := http.NewServeMux()          mux.HandleFunc("/user", func(w http.ResponseWriter,                          r *http.Request) {            if r.Method == http.MethodGet {              fmt.Fprintln(w, "User GET")            }            if r.Method == http.MethodPost {              fmt.Fprintln(w, "User POST")            }          })          // separate handler          itemMux := http.NewServeMux()          itemMux.HandleFunc("/items/clothes", func(w http.ResponseWriter,                             r *http.Request) {            fmt.Fprintln(w, "Clothes")          })          mux.Handle("/items/", itemMux)          // Admin handlers          adminMux := http.NewServeMux()          adminMux.HandleFunc("/ports", func(w http.ResponseWriter, r *http.Request) ...