module Aoc

import Prelude

nums : String → List Int
nums s = map stringToInt $ filter (_/=_ "") $ split (trim s) " "

isDigit : Char -> Bool
isDigit '0' = True
isDigit '1' = True
isDigit '2' = True
isDigit '3' = True
isDigit '4' = True
isDigit '5' = True
isDigit '6' = True
isDigit '7' = True
isDigit '8' = True
isDigit '9' = True
isDigit _ = False