text / Data / Text / Util.hs

The default branch has multiple heads

{-# LANGUAGE CPP, DeriveDataTypeable #-}

-- |
-- Module      : Data.Text.Util
-- Copyright   : 2010 Bryan O'Sullivan
--
-- License     : BSD-style
-- Maintainer  : bos@serpentine.com
-- Stability   : experimental
-- Portability : GHC
--
-- Useful functions.

module Data.Text.Util
    (
      intersperse
    ) where

-- | A lazier version of Data.List.intersperse.  The other version
-- causes space leaks!
intersperse :: a -> [a] -> [a]
intersperse _   []     = []
intersperse sep (x:xs) = x : go xs
  where
    go []     = []
    go (y:ys) = sep : y: go ys
{-# INLINE intersperse #-}
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.