Add EmptyDataDeriving as an Extension constructor. #6015
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This was added in GHC 8.4 but apparently either no-one's missed its absence since then, or users have been suffering in silence with the warnings.
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Great, just in time for 3.0. |
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Yep - total luck that I bumped into this so soon before the 3.0 release. |
23Skidoo
approved these changes
Apr 26, 2019
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Merged, thanks! |
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This was added in GHC 8.4 but apparently either no-one's missed its
absence since then, or users have been suffering in silence with the
warnings.
Please include the following checklist in your PR:
[ci skip]is used to avoid triggering the build bots.Please also shortly describe how you tested your change. Bonus points for added tests!