Fix error Utils not defined in Http module serve

example-httpserver/ExampleHttpServer.elm

@@ -0,0 +1,32 @@
+module ExampleHttpServer exposing (main)
+
+import Http exposing (serve, Request, Response, sendResponse)
+import Platform exposing (program)
+import Task exposing(Task)
+import Console exposing(log)
+import String exposing(append)
+
+type alias Model = ()
+type Msg = Booted () | BootLogged ()
+
+handle : Request -> Response -> Task Never ()
+handle req res =
+    sendResponse res "Hello world"
+
+init : ( Model, Cmd Msg )
+init =
+    ( (), Task.perform Booted (serve 8000 handle) )
+
+update : Msg -> Model -> ( Model, Cmd Msg )
+update msg model =
+    case msg of
+        Booted _ -> ( (), Task.perform BootLogged ( log "Server booted" ) )
+        BootLogged _ -> ( (), Cmd.none )
+
+main : Program Never Model Msg
+main =
+    program
+        { init = init
+        , update = update
+        , subscriptions = always Sub.none
+        }

example-httpserver/example-httpserver-runner

@@ -0,0 +1,6 @@
+#!/usr/bin/env node
+'use strict';
+
+var Elm = require('./example-httpserver.js');
+
+var app = Elm.ExampleHttpServer.worker();