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authorSpencer Janssen <sjanssen@cse.unl.edu>2007-07-24 17:22:57 +0200
committerSpencer Janssen <sjanssen@cse.unl.edu>2007-07-24 17:22:57 +0200
commitcec3703f08cefe8271709a783516efff72bb13e4 (patch)
treecad8724b1eea4620df83e0ba34ce995cb36cf207 /StackSet.hs
parent36b8561f5e83e68b1c2babc9f56c7d91fa5386e4 (diff)
downloadmetatile-cec3703f08cefe8271709a783516efff72bb13e4.tar
metatile-cec3703f08cefe8271709a783516efff72bb13e4.zip
Remove unnecessary Integral constraints
darcs-hash:20070724152257-a5988-508cf9ad44d8668d1cb03865a6e28b9454ce6cb5
Diffstat (limited to 'StackSet.hs')
-rw-r--r--StackSet.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/StackSet.hs b/StackSet.hs
index 6097893..3951ec2 100644
--- a/StackSet.hs
+++ b/StackSet.hs
@@ -359,7 +359,7 @@ reverseStack (Stack t ls rs) = Stack t rs ls
-- | /O(1) on current window, O(n) in general/. Focus the window 'w',
-- and set its workspace as current.
--
-focusWindow :: (Integral i, Eq s, Eq a) => a -> StackSet i a s sd -> StackSet i a s sd
+focusWindow :: (Eq s, Eq a, Eq i) => a -> StackSet i a s sd -> StackSet i a s sd
focusWindow w s | Just w == peek s = s
| otherwise = maybe s id $ do
n <- findIndex w s
@@ -473,7 +473,7 @@ swapMaster = modify' $ \c -> case c of
-- The actual focused workspace doesn't change. If there is -- no
-- element on the current stack, the original stackSet is returned.
--
-shift :: (Ord a, Eq s, Integral i) => i -> StackSet i a s sd -> StackSet i a s sd
+shift :: (Ord a, Eq s, Eq i) => i -> StackSet i a s sd -> StackSet i a s sd
shift n s = if n `tagMember` s && n /= curtag
then maybe s go (peek s) else s
where go w = view curtag . insertUp w . view n . delete w $ s