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-rw-r--r--Utility/Misc.hs18
1 files changed, 17 insertions, 1 deletions
diff --git a/Utility/Misc.hs b/Utility/Misc.hs
index 2f1766e..3cf5275 100644
--- a/Utility/Misc.hs
+++ b/Utility/Misc.hs
@@ -11,6 +11,8 @@ module Utility.Misc (
hGetContentsStrict,
readFileStrict,
separate,
+ separate',
+ separateEnd',
firstLine,
firstLine',
segment,
@@ -54,6 +56,20 @@ separate c l = unbreak $ break c l
| null b = r
| otherwise = (a, tail b)
+separate' :: (Word8 -> Bool) -> S.ByteString -> (S.ByteString, S.ByteString)
+separate' c l = unbreak $ S.break c l
+ where
+ unbreak r@(a, b)
+ | S.null b = r
+ | otherwise = (a, S.tail b)
+
+separateEnd' :: (Word8 -> Bool) -> S.ByteString -> (S.ByteString, S.ByteString)
+separateEnd' c l = unbreak $ S.breakEnd c l
+ where
+ unbreak r@(a, b)
+ | S.null a = r
+ | otherwise = (S.init a, b)
+
{- Breaks out the first line. -}
firstLine :: String -> String
firstLine = takeWhile (/= '\n')
@@ -78,7 +94,7 @@ prop_segment_regressionTest :: Bool
prop_segment_regressionTest = all id
-- Even an empty list is a segment.
[ segment (== "--") [] == [[]]
- -- There are two segements in this list, even though the first is empty.
+ -- There are two segments in this list, even though the first is empty.
, segment (== "--") ["--", "foo", "bar"] == [[],["foo","bar"]]
]