{-# LANGUAGE NoMonomorphismRestriction #-} module My.Prelude where import System.Posix.Files import Data.Maybe import Debug.Trace import My.Control.Monad debug x = traceShow x x maybeToEither = maybe (Left undefined) Right eitherToMaybe = either (const Nothing) Just ifThenElse b th el = if b then th else el swap (a,b) = (b,a) newerThan f1 f2 = liftM2 (>) (modTime f1) (modTime f2) where modTime f = modificationTime $< getFileStatus f -- Copyright (c) 2012, Coiffier Marc -- All rights reserved. -- Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: -- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. -- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DPCodeECT, INDPCodeECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.