diff options
Diffstat (limited to 'Utility/Misc.hs')
| -rw-r--r-- | Utility/Misc.hs | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/Utility/Misc.hs b/Utility/Misc.hs index c9bfcb953..3ac5ca5c0 100644 --- a/Utility/Misc.hs +++ b/Utility/Misc.hs @@ -8,9 +8,7 @@ module Utility.Misc where import System.IO -import System.IO.Error (try) import Control.Monad -import Control.Applicative {- A version of hgetContents that is not lazy. Ensures file is - all read before it gets closed. -} @@ -37,22 +35,3 @@ separate c l = unbreak $ break c l {- Breaks out the first line. -} firstLine :: String-> String firstLine = takeWhile (/= '\n') - -{- Catches IO errors and returns a Bool -} -catchBoolIO :: IO Bool -> IO Bool -catchBoolIO a = catchDefaultIO a False - -{- Catches IO errors and returns a Maybe -} -catchMaybeIO :: IO a -> IO (Maybe a) -catchMaybeIO a = catchDefaultIO (Just <$> a) Nothing - -{- Catches IO errors and returns a default value. -} -catchDefaultIO :: IO a -> a -> IO a -catchDefaultIO a def = catch a (const $ return def) - -{- Catches IO errors and returns the error message. -} -catchMsgIO :: IO a -> IO (Either String a) -catchMsgIO a = dispatch <$> try a - where - dispatch (Left e) = Left $ show e - dispatch (Right v) = Right v |