imp-0.2024.3.18: source/library/Imp/Exception/InvalidOption.hs

module Imp.Exception.InvalidOption where

import qualified Control.Monad.Catch as Exception
import qualified Data.Char as Char
import qualified Data.List as List

newtype InvalidOption
  = InvalidOption String
  deriving (Eq, Show)

instance Exception.Exception InvalidOption where
  displayException (InvalidOption x) = "invalid option: " <> x

new :: String -> InvalidOption
new = InvalidOption . List.dropWhile Char.isSpace