[commit: ghc] ghc-7.10: Define proper `MINIMAL` pragma for `class Ix` (0d58613)
git at git.haskell.org
git at git.haskell.org
Sat Mar 7 22:19:07 UTC 2015
Repository : ssh://git@git.haskell.org/ghc
On branch : ghc-7.10
Link : http://ghc.haskell.org/trac/ghc/changeset/0d586136ce995f725bcaae064c98298d391ba178/ghc
>---------------------------------------------------------------
commit 0d586136ce995f725bcaae064c98298d391ba178
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date: Sat Mar 7 23:15:07 2015 +0100
Define proper `MINIMAL` pragma for `class Ix`
This addresses #10142
(cherry picked from commit 7a2d65a4d93273c89fbb1d19e282d5933c67c7ca)
>---------------------------------------------------------------
0d586136ce995f725bcaae064c98298d391ba178
libraries/base/GHC/Arr.hs | 4 ++--
libraries/base/changelog.md | 2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/libraries/base/GHC/Arr.hs b/libraries/base/GHC/Arr.hs
index cefef97..537382e 100644
--- a/libraries/base/GHC/Arr.hs
+++ b/libraries/base/GHC/Arr.hs
@@ -71,9 +71,9 @@ default ()
--
-- * @'rangeSize' (l,u) == 'length' ('range' (l,u))@ @ @
--
--- Minimal complete instance: 'range', 'index' and 'inRange'.
---
class (Ord a) => Ix a where
+ {-# MINIMAL range, (index | unsafeIndex), inRange #-}
+
-- | The list of values in the subrange defined by a bounding pair.
range :: (a,a) -> [a]
-- | The position of a subscript in the subrange.
diff --git a/libraries/base/changelog.md b/libraries/base/changelog.md
index 5635918..670fa11 100644
--- a/libraries/base/changelog.md
+++ b/libraries/base/changelog.md
@@ -141,6 +141,8 @@
* Add/expose `rnfTypeRep`, `rnfTyCon`, `TypeRepHash`, and
`TyConHash` helpers to `Data.Typeable`.
+ * Define proper `MINIMAL` pragma for `class Ix`. (#10142)
+
## 4.7.0.2 *Dec 2014*
* Bundled with GHC 7.8.4
More information about the ghc-commits
mailing list