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| author | David Simmons-Duffin <davidsd@gmail.com> | 2021-05-10 00:16:34 -0700 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-08-10 15:00:05 -0400 |
| commit | 741fdf0e4f371afbd8ef36f81bbb90a2049b005c (patch) | |
| tree | 09e67911aff43ef6bd2c388794fb10dc1fbd8ff8 /docs | |
| parent | 8b9acc4d58f51dcbae73c8226ef876218809fd79 (diff) | |
| download | haskell-741fdf0e4f371afbd8ef36f81bbb90a2049b005c.tar.gz | |
Add a Typeable constraint to fromStaticPtr, addressing #19729
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/users_guide/9.4.1-notes.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/docs/users_guide/9.4.1-notes.rst b/docs/users_guide/9.4.1-notes.rst index 655e672a1b..31c0fc3c46 100644 --- a/docs/users_guide/9.4.1-notes.rst +++ b/docs/users_guide/9.4.1-notes.rst @@ -61,7 +61,7 @@ Version 9.4.1 - Added ``GHC.Exts.sameArray#``, ``GHC.Exts.sameSmallArray#``, ``GHC.Exts.sameByteArray#`` and ``GHC.Exts.sameArrayArray#``: :: - + sameArray# :: Array# a -> Array# a -> Int# sameSmallArray# :: SmallArray# a -> SmallArray# a -> Int# sameByteArray# :: ByteArray# -> ByteArray# -> Int# @@ -74,3 +74,8 @@ Version 9.4.1 for computing the ``Type`` of an ``HsExpr GhcTc`` in a pure fashion. The ``hsLitType`` and ``hsPatType`` functions that previously lived in ``GHC.Tc.Utils.Zonk`` have been moved to this module. +- A `Typeable` constraint has been added to `fromStaticPtr` in the + class `GHC.StaticPtr.IsStatic`. GHC automatically wraps each use of + the `static` keyword with `fromStaticPtr`. Because `static` requires + its argument to be an instance of `Typeable`, `fromStaticPtr` can + safely carry this constraint as well. |