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Generalize diffSummary to extensible record annotations.

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This commit is contained in:
Rob Rix 2016-07-14 15:51:09 -04:00
parent 0bbe856d3d
commit 3166b53f52
1 changed files with 1 additions and 1 deletions
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src/DiffSummary.hs
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@ -67,7 +67,7 @@ instance Show (DiffSummary DiffInfo) where
then ""
else " in the " ++ intercalate "/" (categoryName <$> parentAnnotations) ++ " context"
diffSummary :: HasCategory leaf => Diff leaf Info -> [DiffSummary DiffInfo]
diffSummary :: (HasCategory leaf, HasField fields Category) => Diff leaf (Record fields) -> [DiffSummary DiffInfo]
diffSummary = cata diffSummary' where
diffSummary' :: (HasCategory leaf, HasField fields Category) => Base (Diff leaf (Record fields)) [DiffSummary DiffInfo] -> [DiffSummary DiffInfo]
diffSummary' (Free (_ :< Leaf _)) = [] -- Skip leaves since they don't have any changes