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Minor fixes.

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[SVN r14464]
This commit is contained in:
Peter Dimov
2002-07-15 12:52:29 +00:00
parent dca9628be3
commit af6fe18c9d
1 changed files with 6 additions and 6 deletions
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weak_ptr.htm
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@ -8,9 +8,9 @@
<h1><img src="../../c++boost.gif" alt="c++boost.gif (8819 bytes)" align="middle" width="277" height="86">weak_ptr <h1><img src="../../c++boost.gif" alt="c++boost.gif (8819 bytes)" align="middle" width="277" height="86">weak_ptr
class template</h1> class template</h1>
<p>The <b>weak_ptr</b> class template stores a pointer to an object that's already <p>The <b>weak_ptr</b> class template stores a pointer to an object that's already
managed by a <b>shared_ptr</b>. When the object last <b>shared_ptr</b> to the managed by a <b>shared_ptr</b>. When the last <b>shared_ptr</b> to the object
object goes away and the object is deleted, all <b>weak_ptr</b> objects have goes away and the object is deleted, all <b>weak_ptr</b> objects have their
their stored pointers set to 0.</p> stored pointers set to 0.</p>
<p>Every <b>weak_ptr</b> meets the <b>CopyConstructible</b> and <b>Assignable</b> requirements <p>Every <b>weak_ptr</b> meets the <b>CopyConstructible</b> and <b>Assignable</b> requirements
of the C++ Standard Library, and so can be used in standard library containers. of the C++ Standard Library, and so can be used in standard library containers.
Comparison operators are supplied so that <b>weak_ptr</b> works with the Comparison operators are supplied so that <b>weak_ptr</b> works with the
@ -30,7 +30,7 @@ weak_ptr&lt;int&gt; q(p);
if(int * r = q.get()) if(int * r = q.get())
{ {
// use *r // use *r
} }
</pre> </pre>
<P>Imagine that after the <STRONG>if</STRONG>, but immediately before <STRONG>r</STRONG> <P>Imagine that after the <STRONG>if</STRONG>, but immediately before <STRONG>r</STRONG>
@ -46,7 +46,7 @@ weak_ptr&lt;int&gt; q(p);
if(shared_ptr&lt;int&gt; r = <a href="#make_shared">make_shared</a>(q)) if(shared_ptr&lt;int&gt; r = <a href="#make_shared">make_shared</a>(q))
{ {
// use *r // use *r
} }
</pre> </pre>
<p>Now <STRONG>r</STRONG> holds a reference to the object that was pointed by <STRONG>q</STRONG>. <p>Now <STRONG>r</STRONG> holds a reference to the object that was pointed by <STRONG>q</STRONG>.
@ -101,7 +101,7 @@ if(shared_ptr&lt;int&gt; r = <a href="#make_shared">make_shared</a>(q))
<p>Provides the type of the template parameter T.</p> <p>Provides the type of the template parameter T.</p>
</blockquote> </blockquote>
<h3><a name="constructors">constructors</a></h3> <h3><a name="constructors">constructors</a></h3>
<pre>explicit weak_ptr();</pre> <pre> weak_ptr();</pre>
<blockquote> <blockquote>
<p><b>Effects:</b> Constructs a <b>weak_ptr</b>.</p> <p><b>Effects:</b> Constructs a <b>weak_ptr</b>.</p>
<p><b>Postconditions:</b> <A href="#use_count">use count</A> is 0; the stored <p><b>Postconditions:</b> <A href="#use_count">use count</A> is 0; the stored