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authorMatthias Schiffer <mschiffer@universe-factory.net>2011-08-21 03:59:18 +0200
committerMatthias Schiffer <mschiffer@universe-factory.net>2011-08-21 03:59:18 +0200
commit4c485dd062ad3823471e7dde1166d556bb385487 (patch)
tree8e25813a42e19c51cd882b9c55e09df6b252a639 /src
parent26c51b9e152bce3a3ceea99763b0f7eb1e589720 (diff)
downloadCacheArrow-4c485dd062ad3823471e7dde1166d556bb385487.tar
CacheArrow-4c485dd062ad3823471e7dde1166d556bb385487.zip
Some cleanupHEADmaster
Diffstat (limited to 'src')
-rw-r--r--src/Control/CacheArrow.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Control/CacheArrow.hs b/src/Control/CacheArrow.hs
index d701986..ff77112 100644
--- a/src/Control/CacheArrow.hs
+++ b/src/Control/CacheArrow.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE ExistentialQuantification, FlexibleInstances, MultiParamTypeClasses, Arrows #-}
+{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, Arrows #-}
module Control.CacheArrow ( CacheArrow
, runCache'
@@ -31,7 +31,7 @@ instance Arrow a => ArrowTransformer CacheArrow a where
lift = CacheArrow Nothing
-runCacheAlways :: (ArrowChoice a, Eq b) => CacheArrow a b c -> a b (c, CacheArrow a b c)
+runCacheAlways :: Arrow a => CacheArrow a b c -> a b (c, CacheArrow a b c)
runCacheAlways (CacheArrow _ f) = proc b -> do
c <- f -< b
returnA -< (c, CacheArrow (Just (b, c)) f)