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Simplified the definition of mkPattern slightly

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Neil Brown 2008-02-15 17:16:20 +00:00
parent cd6e2175f2
commit e76ab116cb
1 changed files with 1 additions and 1 deletions
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2
common/TreeUtils.hs
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@ -211,7 +211,7 @@ getMatchedItems a b
--Therefore the whole function can be viewed as: get the constructor, and map mkPattern over the sub-elements
mkPattern :: (Data a) => a -> Pattern
mkPattern x = case ((cast x) :: Maybe Pattern) of
mkPattern x = case cast x of
Just x' -> x'
Nothing -> Match (toConstr x) (gmapQ mkPattern x)