Decoding Ints

Main.elm

import Html exposing (text)
import Json.Decode exposing (Decoder, decodeString, list, int)

-- Define a "recipe" (decoder)
-- Execute the recipe (decoder)

-- Result x a = Err x | Ok a

num = "4"
nums = "[1,3,5,6,7]"

numbersDecoder : Decoder (List Int)
numbersDecoder = list int

decoded : Result String (List Int)
decoded = decodeString numbersDecoder nums

main = text (toString decoded)