nukes another 15 lines thanks to ifM

This commit is contained in:
Joey Hess 2012-03-15 20:39:25 -04:00
parent ff8b6c1bab
commit c0c9991c9f
6 changed files with 57 additions and 74 deletions

View file

@ -100,11 +100,7 @@ withCheckedFiles _ _ [] _ _ = return False
withCheckedFiles check Nothing d k a = go $ locations d k
where
go [] = return False
go (f:fs) = do
use <- check f
if use
then a [f]
else go fs
go (f:fs) = ifM (check f) ( a [f] , go fs )
withCheckedFiles check (Just _) d k a = go $ locations d k
where
go [] = return False
@ -115,10 +111,8 @@ withCheckedFiles check (Just _) d k a = go $ locations d k
then do
count <- readcount chunkcount
let chunks = take count $ chunkStream f
ok <- all id <$> mapM check chunks
if ok
then a chunks
else return False
ifM (all id <$> mapM check chunks)
( a chunks , return False )
else go fs
readcount f = fromMaybe (error $ "cannot parse " ++ f)
. (readish :: String -> Maybe Int)