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100 lines
5.3 KiB
HTML
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Connect condition requirements</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<link rel="home" href="../../index.html" title="Asio">
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<link rel="up" href="../reference.html" title="Reference">
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<link rel="prev" href="CompletionCondition.html" title="Completion condition requirements">
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<link rel="next" href="ConnectHandler.html" title="Connect handler requirements">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../asio.png"></td></tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="CompletionCondition.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="ConnectHandler.html"><img src="../../next.png" alt="Next"></a>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="asio.reference.ConnectCondition"></a><a class="link" href="ConnectCondition.html" title="Connect condition requirements">Connect condition requirements</a>
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</h3></div></div></div>
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<p>
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A type <code class="computeroutput"><span class="identifier">X</span></code> meets the <code class="computeroutput"><span class="identifier">ConnectCondition</span></code> requirements if it satisfies
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the requirements of <code class="computeroutput"><span class="identifier">Destructible</span></code>
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(C++Std [destructible]) and <code class="computeroutput"><span class="identifier">CopyConstructible</span></code>
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(C++Std [copyconstructible]), as well as the additional requirements listed
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below.
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</p>
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<p>
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In the table below, <code class="computeroutput"><span class="identifier">x</span></code> denotes
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a value of type <code class="computeroutput"><span class="identifier">X</span></code>, <code class="computeroutput"><span class="identifier">ec</span></code> denotes a (possibly const) value of
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type <code class="computeroutput"><span class="identifier">error_code</span></code>, and <code class="computeroutput"><span class="identifier">ep</span></code> denotes a (possibly const) value of
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some type satisfying the <a class="link" href="Endpoint.html" title="Endpoint requirements">endpoint</a>
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requirements.
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</p>
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<div class="table">
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<a name="asio.reference.ConnectCondition.t0"></a><p class="title"><b>Table 10. ConnectCondition requirements</b></p>
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<div class="table-contents"><table class="table" summary="ConnectCondition requirements">
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<colgroup>
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<col>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th>
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<p>
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expression
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</p>
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</th>
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<th>
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<p>
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return type
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</p>
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</th>
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<th>
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<p>
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assertion/note<br> pre/post-condition
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</p>
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</th>
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</tr></thead>
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<tbody><tr>
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<td>
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<p>
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<code class="computeroutput"><span class="identifier">x</span><span class="special">(</span><span class="identifier">ec</span><span class="special">,</span>
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<span class="identifier">ep</span><span class="special">)</span></code>
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</p>
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</td>
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<td>
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<p>
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<code class="computeroutput"><span class="keyword">bool</span></code>
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</p>
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</td>
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<td>
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<p>
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Returns <code class="computeroutput"><span class="keyword">true</span></code> to indicate
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that the <code class="computeroutput"><span class="identifier">connect</span></code>
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or <code class="computeroutput"><span class="identifier">async_connect</span></code>
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algorithm should attempt a connection to the endpoint <code class="computeroutput"><span class="identifier">ep</span></code>. Otherwise, returns <code class="computeroutput"><span class="keyword">false</span></code> to indicate that the algorithm
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should not attempt connection to the endpoint <code class="computeroutput"><span class="identifier">ep</span></code>,
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and should instead skip to the next endpoint in the sequence.
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</p>
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</td>
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</tr></tbody>
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</table></div>
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</div>
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<br class="table-break">
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</div>
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<div class="copyright-footer">Copyright © 2003-2023 Christopher M. Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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</div>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="CompletionCondition.html"><img src="../../prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../home.png" alt="Home"></a><a accesskey="n" href="ConnectHandler.html"><img src="../../next.png" alt="Next"></a>
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</div>
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</body>
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</html>
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