diff options
Diffstat (limited to 'Utility/Conditional.hs')
| -rw-r--r-- | Utility/Conditional.hs | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/Utility/Conditional.hs b/Utility/Conditional.hs deleted file mode 100644 index 85e39ec64..000000000 --- a/Utility/Conditional.hs +++ /dev/null @@ -1,26 +0,0 @@ -{- monadic conditional operators - - - - Copyright 2011 Joey Hess <joey@kitenet.net> - - - - Licensed under the GNU GPL version 3 or higher. - -} - -module Utility.Conditional where - -import Control.Monad (when, unless) - -whenM :: Monad m => m Bool -> m () -> m () -whenM c a = c >>= flip when a - -unlessM :: Monad m => m Bool -> m () -> m () -unlessM c a = c >>= flip unless a - -(>>?) :: Monad m => m Bool -> m () -> m () -(>>?) = whenM - -(>>!) :: Monad m => m Bool -> m () -> m () -(>>!) = unlessM - --- low fixity allows eg, foo bar >>! error $ "failed " ++ meep -infixr 0 >>? -infixr 0 >>! |