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Aliasing support

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[SVN r37405]
This commit is contained in:
Peter Dimov
2007-04-09 18:48:47 +00:00
parent 6e8f075d42
commit ce72827dc7
5 changed files with 166 additions and 0 deletions
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shared_ptr.htm
+13
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@@ -111,6 +111,7 @@ void bad()
<A href="#constructors" >shared_ptr</A>(shared_ptr const &amp; r); // never throws
template&lt;class Y&gt; <A href="#constructors" >shared_ptr</A>(shared_ptr&lt;Y&gt; const &amp; r); // never throws
template&lt;class Y&gt; <A href="#constructors" >shared_ptr</A>(shared_ptr&lt;Y&gt; const &amp; r, T * p); // never throws
template&lt;class Y&gt; explicit <A href="#constructors" >shared_ptr</A>(<A href="weak_ptr.htm" >weak_ptr</A>&lt;Y&gt; const &amp; r);
template&lt;class Y&gt; explicit <A href="#constructors" >shared_ptr</A>(std::auto_ptr&lt;Y&gt; &amp; r);
@@ -122,6 +123,7 @@ void bad()
template&lt;class Y&gt; void <A href="#reset" >reset</A>(Y * p);
template&lt;class Y, class D&gt; void <A href="#reset" >reset</A>(Y * p, D d);
template&lt;class Y, class D, class A&gt; void <A href="#reset" >reset</A>(Y * p, D d, A a);
template&lt;class Y&gt; void <A href="#reset" >reset</A>(shared_ptr&lt;Y&gt; const &amp; r, T * p); // never throws
T &amp; <A href="#indirection" >operator*</A>() const; // never throws
T * <A href="#indirection" >operator-&gt;</A>() const; // never throws
@@ -253,6 +255,13 @@ template&lt;class Y&gt; shared_ptr(shared_ptr&lt;Y&gt; const &amp; r); // never
r.use_count()</code>.</p>
<p><b>Throws:</b> nothing.</p>
</blockquote>
<pre>template&lt;class Y&gt; shared_ptr(shared_ptr&lt;Y&gt; const &amp; r, T * p); // never throws</pre>
<blockquote>
<p><b>Effects:</b> constructs a <b>shared_ptr</b> that <EM>shares ownership</EM> with
<b>r</b> and stores <b>p</b>.</p>
<p><b>Postconditions:</b> <code>get() == p &amp;&amp; use_count() == r.use_count()</code>.</p>
<p><b>Throws:</b> nothing.</p>
</blockquote>
<pre>template&lt;class Y&gt; explicit shared_ptr(<A href="weak_ptr.htm" >weak_ptr</A>&lt;Y&gt; const &amp; r);</pre>
<blockquote>
<p><b>Effects:</b> Constructs a <b>shared_ptr</b> that <EM>shares ownership</EM> with
@@ -328,6 +337,10 @@ q = p;
<BLOCKQUOTE>
<P><B>Effects:</B> Equivalent to <code>shared_ptr(p, d, a).swap(*this)</code>.</P>
</BLOCKQUOTE>
<pre>template&lt;class Y&gt; void reset(shared_ptr&lt;Y&gt; const &amp; r, T * p); // never throws</pre>
<BLOCKQUOTE>
<P><B>Effects:</B> Equivalent to <code>shared_ptr(r, p).swap(*this)</code>.</P>
</BLOCKQUOTE>
<h3><a name="indirection">indirection</a></h3>
<pre>T &amp; operator*() const; // never throws</pre>
<blockquote>