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| <h3><a href="../../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../../boost.png" border="0"></a></h3> |
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| <td valign="top"> |
| <h1 align="center"><a href="../index.html">Boost.Python</a></h1> |
| <h2 align="center">HolderGenerator Concept</h2> |
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| <hr> |
| <dl class="page-index"> |
| <dt><a href="#introduction">Introduction</a></dt> |
| <dt><a href="#concept-requirements">Concept Requirements</a></dt> |
| <dl class="page-index"> |
| <dt><a href="#HolderGenerator-concept">HolderGenerator Concept</a></dt> |
| </dl> |
| </dl> |
| |
| <h2><a name="introduction"></a>Introduction</h2> |
| |
| <p>A HolderGenerator is a unary metafunction class which returns types |
| suitable for holding instances of its argument in a wrapped C++ class |
| instance. |
| |
| <h2><a name="concept-requirements"></a>Concept Requirements</h2> |
| <h3><a name="HolderGenerator-concept"></a>HolderGenerator Concept</h3> |
| |
| <p>In the table below, <code><b>G</b></code> denotes an type which |
| models HolderGenerator, and <code><b>X</b></code> denotes a class |
| type. |
| |
| <table summary="Holder expressions" border="1" cellpadding="5"> |
| |
| <tr> |
| <td><b>Expression</b></td> |
| <td><b>Requirements</b></td> |
| </tr> |
| |
| <tr> |
| <td valign="top"><code>G::apply<X>::type</code></td> |
| <td>A concrete subclass of <a |
| href="instance_holder.html#instance_holder-spec">instance_holder</a> |
| which can hold objects of type <code>X</code>. |
| </tr> |
| </table> |
| |
| <hr> |
| <p>Revised |
| <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan --> |
| 13 November, 2002 |
| <!--webbot bot="Timestamp" endspan i-checksum="39359" --> |
| </p> |
| <p><i>© Copyright <a href="http://www.boost.org/people/dave_abrahams.htm">Dave |
| Abrahams</a> 2002. </i> |
| |
| <p>Permission to copy, use, modify, sell |
| and distribute this software is granted provided this copyright notice appears |
| in all copies. This software is provided "as is" without express or implied |
| warranty, and with no claim as to its suitability for any purpose. |
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