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Support PartialTypeSignatures in Template Haskell

Currently Template Haskell cannot emit Types with wildcards as in PartialTypeSignatures.

A data constructor for wildcards (eg. WildcardT (Maybe Name)) could be added to Type, which would be converted to wildcards in GHC.

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Trac field Value
Version 7.10.1
Type FeatureRequest
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Template Haskell
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