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| author | Ben Gamari <bgamari.foss@gmail.com> | 2017-02-01 22:48:01 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-02-01 23:37:27 -0500 |
| commit | 5cb5b7a505d3cf87b4bdac31acae2a650221d05f (patch) | |
| tree | 2d94eb35bd95dc3470f9e712c979e44ded7bde23 /libraries | |
| parent | d2b681bbdf8359b1813ea6c895498737eadc5261 (diff) | |
| download | haskell-5cb5b7a505d3cf87b4bdac31acae2a650221d05f.tar.gz | |
base: Derive Enum, Bounded for VecCount, VecElem
Test Plan: Validate
Reviewers: RyanGlScott, austin, hvr
Reviewed By: RyanGlScott
Subscribers: goldfire, RyanGlScott, thomie
Differential Revision: https://phabricator.haskell.org/D3059
Diffstat (limited to 'libraries')
| -rw-r--r-- | libraries/base/GHC/Enum.hs | 12 | ||||
| -rw-r--r-- | libraries/base/changelog.md | 2 | ||||
| -rw-r--r-- | libraries/ghc-prim/GHC/Types.hs | 2 |
3 files changed, 16 insertions, 0 deletions
diff --git a/libraries/base/GHC/Enum.hs b/libraries/base/GHC/Enum.hs index 50ca4a0b2b..feb45854d2 100644 --- a/libraries/base/GHC/Enum.hs +++ b/libraries/base/GHC/Enum.hs @@ -876,3 +876,15 @@ dn_list x0 delta lim = go (x0 :: Integer) where go x | x < lim = [] | otherwise = x : go (x+delta) + +-- Instances from GHC.Types + +-- | @since 4.10.0.0 +deriving instance Bounded VecCount +-- | @since 4.10.0.0 +deriving instance Enum VecCount + +-- | @since 4.10.0.0 +deriving instance Bounded VecElem +-- | @since 4.10.0.0 +deriving instance Enum VecElem diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md index 40e18ff792..afb9e9f664 100644 --- a/libraries/base/changelog.md +++ b/libraries/base/changelog.md @@ -199,6 +199,8 @@ * The field `spInfoName` of `GHC.StaticPtr.StaticPtrInfo` has been removed. The value is no longer available when constructing the `StaticPtr`. + * `VecElem` and `VecCount` now have `Enum` and `Bounded` instances. + ### Generalizations * Generalize `Debug.Trace.{traceM, traceShowM}` from `Monad` to `Applicative` diff --git a/libraries/ghc-prim/GHC/Types.hs b/libraries/ghc-prim/GHC/Types.hs index 16a4921316..c913af6fdb 100644 --- a/libraries/ghc-prim/GHC/Types.hs +++ b/libraries/ghc-prim/GHC/Types.hs @@ -395,6 +395,7 @@ data VecCount = Vec2 | Vec16 | Vec32 | Vec64 +-- Enum, Bounded instances in GHC.Enum -- | Element of a SIMD vector type data VecElem = Int8ElemRep @@ -407,6 +408,7 @@ data VecElem = Int8ElemRep | Word64ElemRep | FloatElemRep | DoubleElemRep +-- Enum, Bounded instances in GHC.Enum {- ********************************************************************* * * |