[Git][ghc/ghc][master] 4 commits: users guide: Mention language extensions in equality constraints discussion
Marge Bot (@marge-bot)
gitlab at gitlab.haskell.org
Sat Nov 16 21:21:52 UTC 2024
Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC
Commits:
ddb7afa6 by Ben Gamari at 2024-11-16T16:21:23-05:00
users guide: Mention language extensions in equality constraints discussion
As suggested in #24127, mention the language extensions necessary for
usage of equality constriants in their documentation.
Closes #24127.
- - - - -
36133dac by Ben Gamari at 2024-11-16T16:21:23-05:00
users-guide/9.14.1-notes: Fix list syntax
- - - - -
888de658 by Ben Gamari at 2024-11-16T16:21:23-05:00
users-guide/debug-info: Fix duplicate flag descriptions
- - - - -
f120e427 by Ben Gamari at 2024-11-16T16:21:23-05:00
users-guide: Fix reference to 9.14.1 release notes
- - - - -
4 changed files:
- docs/users_guide/9.14.1-notes.rst
- docs/users_guide/debug-info.rst
- docs/users_guide/exts/equality_constraints.rst
- docs/users_guide/release-notes.rst
Changes:
=====================================
docs/users_guide/9.14.1-notes.rst
=====================================
@@ -51,7 +51,7 @@ Cmm
~~~~~~~~~~~~~~~~~~~~
* The functions `getClosureInfoTbl_maybe`, `getClosureInfoTbl`,
- `getClosurePtrArgs` and `getClosurePtrArgs_maybe` have been added to allow
+ `getClosurePtrArgs` and `getClosurePtrArgs_maybe` have been added to allow
reading of the relevant Closure attributes without reliance on incomplete
selectors.
=====================================
docs/users_guide/debug-info.rst
=====================================
@@ -395,18 +395,6 @@ to a source location. This lookup table is generated by using the ``-finfo-table
:implies: :ghc-flag:`-finfo-table-map-with-stack`
:implies: :ghc-flag:`-finfo-table-map-with-fallback`
-.. ghc-flag:: -finfo-table-map-with-stack
- :shortdesc: Include info tables for ``STACK`` closures in the info table
- map.
- :type: dynamic
- :reverse: -fno-info-table-map-with-stack
- :category: debugging
-
- :since: 9.10
-
- Include info tables for ``STACK`` closures in the info table map. Note that
- this flag is implied by :ghc-flag:`-finfo-table-map`.
-
.. ghc-flag:: -fno-info-table-map-with-stack
:shortdesc: Omit info tables for ``STACK`` closures from the info table
map.
@@ -423,6 +411,9 @@ to a source location. This lookup table is generated by using the ``-finfo-table
``STACK`` info tables from the info table map and decrease the size of
executables with info table profiling information.
+ Note that :ghc-flag:`-finfo-table-map-with-stack` is implied by
+ :ghc-flag:`-finfo-table-map`.
+
.. ghc-flag:: -finfo-table-map-with-fallback
:shortdesc: Include info tables with no source location information in the
info table map.
=====================================
docs/users_guide/exts/equality_constraints.rst
=====================================
@@ -6,11 +6,11 @@ Equality constraints and Coercible constraint
Equality constraints
--------------------
-A type context can include equality constraints of the form ``t1 ~ t2``,
-which denote that the types ``t1`` and ``t2`` need to be the same. In
-the presence of type families, whether two types are equal cannot
-generally be decided locally. Hence, the contexts of function signatures
-may include equality constraints, as in the following example: ::
+When :extension:`TypeOperators` are enabled, a type context can include equality
+constraints of the form ``t1 ~ t2``, which denote that the types ``t1`` and
+``t2`` need to be the same. In the presence of type families, whether two types
+are equal cannot generally be decided locally. Hence, the contexts of function
+signatures may include equality constraints, as in the following example: ::
sumCollects :: (Collects c1, Collects c2, Elem c1 ~ Elem c2) => c1 -> c2 -> c2
=====================================
docs/users_guide/release-notes.rst
=====================================
@@ -4,4 +4,4 @@ Release notes
.. toctree::
:maxdepth: 1
- 9.12.1-notes
+ 9.14.1-notes
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/b7a146e5744bd6d2bc5bed707ec15175368e5bfa...f120e42720dadfdb40e2ffcea480e29343e49a51
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/b7a146e5744bd6d2bc5bed707ec15175368e5bfa...f120e42720dadfdb40e2ffcea480e29343e49a51
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