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Remove unnecessary Integral constraints

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Spencer Janssen
2007-07-24 15:22:57 +00:00
parent 9a2f57552e
commit cc3527a975
1 changed files with 2 additions and 2 deletions
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4
StackSet.hs
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@@ -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