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Documented conversion to 'unspecified bool'

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[SVN r31111]
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Peter Dimov
2005-09-25 21:49:08 +00:00
parent 7bfddbccf6
commit 235994873f
3 changed files with 42 additions and 24 deletions
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<h1><img src="../../boost.png" alt="boost.png (6897 bytes)" align="middle" width="277" height="86">shared_array
class template</h1>
<h1><A href="../../index.htm"><img src="../../boost.png" alt="boost.png (6897 bytes)" align="middle" width="277" height="86"
border="0"></A>shared_array class template</h1>
<p>The <b>shared_array</b> class template stores a pointer to a dynamically
allocated array. (Dynamically allocated array are allocated with the C++ <b>new[]</b>
expression.) The object pointed to is guaranteed to be deleted when the last <b>shared_array</b>
@@ -53,6 +53,8 @@
bool <a href="#unique">unique</a>() const; // never throws
long <a href="#use_count">use_count</a>() const; // never throws
operator <A href="#conversions" ><i>unspecified-bool-type</i></A>() const; // never throws
void <a href="#swap">swap</a>(shared_array&lt;T&gt; &amp; b); // never throws
};
@@ -139,6 +141,10 @@
implementations of <b>shared_array</b> that do not use an explicit reference
count, it might be removed from some future version. Thus it should be used for
debugging purposes only, and not production code.</p>
<h3><a name="conversions">conversions</a></h3>
<pre>operator <i>unspecified-bool-type</i> () const; // never throws</pre>
<p>Returns an unspecified value that, when used in boolean contexts, is equivalent
to <code>get() != 0</code>.</p>
<h3><a name="swap">swap</a></h3>
<pre>void swap(shared_ptr &amp; b); // never throws</pre>
<p>Exchanges the contents of the two smart pointers. <b>T</b> need not be a
@@ -172,9 +178,9 @@ template&lt;class T&gt;
<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B %Y" startspan -->
09 January 2003<!--webbot bot="Timestamp" endspan i-checksum="32310" --></p>
<p>Copyright 1999 Greg Colvin and Beman Dawes. Copyright 2002 Darin Adler.
Permission to copy, use, modify, sell and distribute this document is granted
provided this copyright notice appears in all copies. This document is provided
"as is" without express or implied warranty, and with no claim as to its
suitability for any purpose.</p>
Copyright 2002-2005 Peter Dimov. Permission to copy, use, modify, sell and
distribute this document is granted provided this copyright notice appears in
all copies. This document is provided "as is" without express or implied
warranty, and with no claim as to its suitability for any purpose.</p>
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