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Main.elm
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Main.elm
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module Main exposing (main)
import Browser
import Html exposing (Html, button, div, text)
import Html.Events exposing (onClick)
type alias Model =
{ count : Int }
initialModel : Model
initialModel =
{ count = 0 }
type Msg
= Increment
| Decrement
update : Msg -> Model -> Model
update msg model =
case msg of
Increment ->
Debug.log "incremented!!"
{ model | count = model.count + 1 }
Decrement ->
Debug.log "decremented!!"
{ model | count = model.count - 1 }
view : Model -> Html Msg
view model =
div []
[ button [ onClick Increment ] [ text "+1" ]
, div [] [ text <| String.fromInt model.count ]
, button [ onClick Decrement ] [ text "-1" ]
]
main : Program () Model Msg
main =
Browser.sandbox
{ init = initialModel
, view = view
, update = update
}