Simple skeleton for an elm app

elm-package.json

{
    "version": "1.0.0",
    "summary": "helpful summary of your project, less than 80 characters",
    "repository": "https://github.com/user/project.git",
    "license": "BSD3",
    "source-directories": [
        "."
    ],
    "exposed-modules": [],
    "dependencies": {
        "elm-lang/core": "3.0.0 <= v < 4.0.0",
        "evancz/elm-effects": "2.0.1 <= v < 3.0.0",
        "evancz/elm-html": "4.0.2 <= v < 5.0.0",
        "evancz/start-app": "2.0.2 <= v < 3.0.0"
    },
    "elm-version": "0.16.0 <= v < 0.17.0"
}

Main.elm

import Html exposing (..)
import Effects
import StartApp

type alias AppState =
    { number: Int
    }

type Action
    = NoOp

init : (AppState, Effects.Effects Action)
init =
    ({number = 0}, Effects.none)

update : Action -> AppState -> (AppState, Effects.Effects a)
update action state =
    case action of
        NoOp ->
            (state, Effects.none)

view : Signal.Address Action -> AppState -> Html
view address state =
    p [] [text (toString state)]

app : StartApp.App AppState
app = StartApp.start
        { init = init
        , update = update
        , view = view
        , inputs = []
        }

main : Signal Html
main = app.html