diff options
Diffstat (limited to 'docs/AutomaticReferenceCounting.html')
| -rw-r--r-- | docs/AutomaticReferenceCounting.html | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/docs/AutomaticReferenceCounting.html b/docs/AutomaticReferenceCounting.html index ab7debf20c..0265bbdd38 100644 --- a/docs/AutomaticReferenceCounting.html +++ b/docs/AutomaticReferenceCounting.html @@ -1482,9 +1482,12 @@ implementation.</p></div> <p>The <tt>self</tt> parameter variable of an Objective-C method is never actually retained by the implementation. It is undefined behavior, or at least dangerous, to cause an object to be deallocated -during a message send to that object. To make this -safe, <tt>self</tt> is implicitly <tt>const</tt> unless the method is -in the <a href="#family.semantics.init"><tt>init</tt> family</a>.</p> +during a message send to that object.</p> + +<p>To make this safe, for Objective-C instance methods <tt>self</tt> is +implicitly <tt>const</tt> unless the method is in the <a +href="#family.semantics.init"><tt>init</tt> family</a>. Further, <tt>self</tt> +is <b>always</b> implicitly <tt>const</tt> within a class method.</p> <div class="rationale"><p>Rationale: the cost of retaining <tt>self</tt> in all methods was found to be prohibitive, as |