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Ryan Scott authored
Currently, Template Haskell's treatment of strictness is not enough to cover all possible combinations of unpackedness and strictness. In addition, it isn't equipped to deal with new features (such as `-XStrictData`) which can change a datatype's fields' strictness during compilation. To address this, I replaced TH's `Strict` datatype with `SourceUnpackedness` and `SourceStrictness` (which give the programmer a more complete toolkit to configure a datatype field's strictness than just `IsStrict`, `IsLazy`, and `Unpack`). I also added the ability to reify a constructor fields' strictness post-compilation through the `reifyConStrictness` function. Fixes #10697. Test Plan: ./validate Reviewers: simonpj, goldfire, bgamari, austin Reviewed By: goldfire, bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1603 GHC Trac Issues: #10697
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