// +build ignore,OMIT package main import ( "fmt" "log" "net/http" ) const listenAddr = "localhost:4000" func main() { http.HandleFunc("/", handler) err := http.ListenAndServe(listenAddr, nil) if err != nil { log.Fatal(err) } } func handler(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, "Hello, web") }