// webserver that says hello


package main


import (
	"fmt"
	"net/http"
)


func main() {
	http.HandleFunc("/", handler)
	http.ListenAndServe(":8080", nil)
}


func handler(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Hello, world!")
}


// Output:
// $ go run test.go
// Hello, world!
// $