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| author | Ryan Scott <ryan.gl.scott@gmail.com> | 2016-09-30 20:15:25 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2016-09-30 23:23:44 -0400 |
| commit | 9e862765ffe161da8a4fd9cd67b0a600874feaa9 (patch) | |
| tree | 235c1ba702b0101e1fa6a8fe7f8146e2c7ec9c69 /libraries/ghc-boot-th | |
| parent | b3d55e20d20344bfc09f4ca4a554a819c4ecbfa8 (diff) | |
| download | haskell-9e862765ffe161da8a4fd9cd67b0a600874feaa9.tar.gz | |
Implement deriving strategies
Allows users to explicitly request which approach to `deriving` to use
via keywords, e.g.,
```
newtype Foo = Foo Bar
deriving Eq
deriving stock Ord
deriving newtype Show
```
Fixes #10598. Updates haddock submodule.
Test Plan: ./validate
Reviewers: hvr, kosmikus, goldfire, alanz, bgamari, simonpj, austin,
erikd, simonmar
Reviewed By: alanz, bgamari, simonpj
Subscribers: thomie, mpickering, oerjan
Differential Revision: https://phabricator.haskell.org/D2280
GHC Trac Issues: #10598
Diffstat (limited to 'libraries/ghc-boot-th')
| -rw-r--r-- | libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs b/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs index 85664c2144..ff26ec6ce7 100644 --- a/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs +++ b/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs @@ -80,6 +80,7 @@ data Extension | DefaultSignatures -- Allow extra signatures for defmeths | DeriveAnyClass -- Allow deriving any class | DeriveLift -- Allow deriving Lift + | DerivingStrategies | TypeSynonymInstances | FlexibleContexts |