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| author | Shayne Fletcher <shayne@shaynefletcher.org> | 2020-04-19 09:32:41 -0400 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-04-20 04:36:43 -0400 |
| commit | 36882493fcaa9dd2eefa7184929765189ac339ad (patch) | |
| tree | ae0a85b9ea4ec02b5a6b7dc0ae1e020707e385bb | |
| parent | eaed0a3289e4c24ff1a70c6fc4b7f8bae6cd2dd3 (diff) | |
| download | haskell-36882493fcaa9dd2eefa7184929765189ac339ad.tar.gz | |
Derive Ord instance for Extension
Metric Increase:
T12150
T12234
| -rw-r--r-- | libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs b/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs index 62512c6e65..33573f62b7 100644 --- a/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs +++ b/libraries/ghc-boot-th/GHC/LanguageExtensions/Type.hs @@ -145,3 +145,7 @@ data Extension | CUSKs | StandaloneKindSignatures deriving (Eq, Enum, Show, Generic, Bounded) +-- 'Ord' and 'Bounded' are provided for GHC API users (see discussions +-- in https://gitlab.haskell.org/ghc/ghc/merge_requests/2707 and +-- https://gitlab.haskell.org/ghc/ghc/merge_requests/826). +instance Ord Extension where compare a b = compare (fromEnum a) (fromEnum b) |