Util.hs

-----------------------------------------------------------------------------
--
-- Module      :  Data.Maybe.Util
-- Copyright   :  (c) 2014-16 Brian W Bush
-- License     :  MIT
--
-- Maintainer  :  Brian W Bush <consult@brianwbush.info>
-- Stability   :  Stable
-- Portability :  Portable
--
-- | Utility functions for 'Data.Maybe'.
--
-----------------------------------------------------------------------------


{-# LANGUAGE Safe #-}


module Data.Maybe.Util (
-- * Utilities
  maybeRead
) where


import Data.Maybe (listToMaybe)


-- | Maybe read a value.
maybeRead :: Read a
          => String  -- ^ The string.
          -> Maybe a -- ^ The value, if it could be parsed.
maybeRead = fmap fst . listToMaybe . reads