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| author | John McCall <rjmccall@apple.com> | 2011-06-15 23:02:42 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-06-15 23:02:42 +0000 |
| commit | f85e193739c953358c865005855253af4f68a497 (patch) | |
| tree | e242284beb7fd2b88a2f3ce08644585497d5910d /docs/LanguageExtensions.html | |
| parent | 204e13395d83524e9a557c3f3fd6df2e2f353b9d (diff) | |
Automatic Reference Counting.
Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.
Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/LanguageExtensions.html')
| -rw-r--r-- | docs/LanguageExtensions.html | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/LanguageExtensions.html b/docs/LanguageExtensions.html index 8f43725d82..cce2e8c5b0 100644 --- a/docs/LanguageExtensions.html +++ b/docs/LanguageExtensions.html @@ -65,6 +65,7 @@ td { <li><a href="#objc_features">Objective-C Features</a> <ul> <li><a href="#objc_instancetype">Related result types</a></li> + <li><a href="#objc_arc">Automatic reference counting</a></li> </ul> </li> <li><a href="#overloading-in-c">Function Overloading in C</a></li> @@ -670,6 +671,12 @@ with a related result type is treated the same way as method without a related result type.</p> <!-- ======================================================================= --> +<h2 id="objc_arc">Automatic reference counting </h2> +<!-- ======================================================================= --> + +<p>Clang provides support for <a href="AutomaticReferenceCounting.html">automated reference counting</a> in Objective-C, which eliminates the need for manual retain/release/autorelease message sends. There are two feature macros associated with automatic reference counting: <code>__has_feature(objc_arc)</code> indicates the availability of automated reference counting in general, while <code>__has_feature(objc_arc_weak)</code> indicates that automated reference counting also includes support for <code>__weak</code> pointers to Objective-C objects.</p> + +<!-- ======================================================================= --> <h2 id="overloading-in-c">Function Overloading in C</h2> <!-- ======================================================================= --> |