diff options
Diffstat (limited to 'src/Utility/Exception.hs')
| -rw-r--r-- | src/Utility/Exception.hs | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/Utility/Exception.hs b/src/Utility/Exception.hs index 9d4236c4..a1f96615 100644 --- a/src/Utility/Exception.hs +++ b/src/Utility/Exception.hs @@ -36,10 +36,7 @@ catchBoolIO = catchDefaultIO False {- Catches IO errors and returns a Maybe -} catchMaybeIO :: MonadCatch m => m a -> m (Maybe a) -catchMaybeIO a = do - catchDefaultIO Nothing $ do - v <- a - return (Just v) +catchMaybeIO a = catchDefaultIO Nothing $ a >>= (return . Just) {- Catches IO errors and returns a default value. -} catchDefaultIO :: MonadCatch m => a -> m a -> m a |