    {- split utility functions
     -
     - Copyright 2017 Joey Hess <id@joeyh.name>
     -
     - License: BSD-2-clause
     -}

    {-# OPTIONS_GHC -fno-warn-tabs #-}

    module Utility.Split where

    import Data.List (intercalate)
    import Data.List.Split (splitOn)

    -- | same as Data.List.Utils.split
    --
    -- intercalate x . splitOn x === id
    split :: Eq a => [a] -> [a] -> [[a]]
    split = splitOn

    -- | Split on a single character. This is over twice as fast as using
    -- split on a list of length 1, while producing identical results. -}
    splitc :: Eq c => c -> [c] -> [[c]]
    splitc c s = case break (== c) s of
    	(i, _c:rest) -> i : splitc c rest
    	(i, []) -> i : []

    -- | same as Data.List.Utils.replace
    replace :: Eq a => [a] -> [a] -> [a] -> [a]
    replace old new = intercalate new . split old