Created
September 7, 2017 15:44
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Data.Text rewrite rules fun.
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| {-# LANGUAGE OverloadedStrings #-} | |
| module Main where | |
| import Prelude hiding (length, filter) | |
| import Data.Text | |
| -- Turn on optimizations (-O) to make this `False` | |
| wat :: Text -> Bool | |
| wat x = length (filter (== ',') x) == 1 | |
| main :: IO () | |
| main = print (wat "0,00") |
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