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STLPort's debug mode. Unfortunately, had to expand Dereferenceable requirements. [SVN r16459]
82 lines
2.5 KiB
HTML
82 lines
2.5 KiB
HTML
<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<link rel="stylesheet" type="text/css" href="../../../boost.css">
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<title>Boost.Python - Dereferenceable Concept</title>
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</head>
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<body link="#0000ff" vlink="#800080">
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<table border="0" cellpadding="7" cellspacing="0" width="100%" summary=
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"header">
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<tr>
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<td valign="top" width="300">
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<h3><a href="../../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../../c++boost.gif" border="0"></a></h3>
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</td>
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<td valign="top">
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<h1 align="center"><a href="../index.html">Boost.Python</a></h1>
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<h2 align="center">Dereferenceable Concept</h2>
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</td>
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</tr>
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</table>
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<hr>
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<dl class="page-index">
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<dt><a href="#introduction">Introduction</a></dt>
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<dt><a href="#concept-requirements">Concept Requirements</a></dt>
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<dl class="page-index">
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<dt><a href="#Dereferenceable-concept">Dereferenceable Concept</a></dt>
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</dl>
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</dl>
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<h2><a name="introduction"></a>Introduction</h2>
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<p>Instances of a dereferenceable type can be used like a pointer to access an lvalue.
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<h2><a name="concept-requirements"></a>Concept Requirements</h2>
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<h3><a name="Dereferenceable-concept"></a>Dereferenceable Concept</h3>
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<p>In the table below, <code><b>x</b></code> denotes an object whose
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type is a model of Dereferenceable.
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<table summary="Dereferenceable expressions" border="1" cellpadding="5">
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<tr>
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<td><b>Expression</b></td>
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<td><b>Requirements</b></td>
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</tr>
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<tr>
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<td valign="top"><code>*x</code></td>
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<td>An lvalue
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</tr>
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</table>
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If <code><b>x</b></code> is not a pointer type, it also must satsify the following expression:
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<table summary="Dereferenceable expressions" border="1" cellpadding="5">
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<tr>
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<td><b>Expression</b></td>
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<td><b>Operational Semantics</b></td>
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</tr>
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<tr>
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<td valign="top"><code>x.get()</code></td>
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<td><code>&*x</code>, or a null pointer
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</tr>
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</table>
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<hr>
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<p>Revised
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<!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
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29 November, 2002
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<!--webbot bot="Timestamp" endspan i-checksum="39359" -->
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</p>
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<p><i>© Copyright <a href="../../../../people/dave_abrahams.htm">Dave
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Abrahams</a> 2002. All Rights Reserved.</i>
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<p>Permission to copy, use, modify, sell
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and distribute this software is granted provided this copyright notice appears
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in all copies. This software is provided "as is" without express or implied
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warranty, and with no claim as to its suitability for any purpose.
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</body>
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</html>
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