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26 <div class="titlepage"><div><div><h3 class="title">
27 <a name="boost_asio.reference.Protocol"></a><a class="link" href="Protocol.html" title="Protocol requirements">Protocol requirements</a>
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30 A type <code class="computeroutput">X</code> meets the <code class="computeroutput">Protocol</code> requirements if it
31 satisfies the requirements of <code class="computeroutput">Destructible</code> (C++Std [destructible]),
32 <code class="computeroutput">CopyConstructible</code> (C++Std [copyconstructible]), and <code class="computeroutput">CopyAssignable</code>
33 (C++Std [copyassignable]), as well as the additional requirements listed
37 No copy or move operation of the type <code class="computeroutput">X</code> shall exit via an exception.
40 <a name="boost_asio.reference.Protocol.t0"></a><p class="title"><b>Table 23. Protocol requirements</b></p>
41 <div class="table-contents"><table class="table" summary="Protocol requirements">
60 assertion/note<br> pre/post-conditions
67 <code class="computeroutput">X::endpoint</code>
72 type meeting <a class="link" href="Endpoint.html" title="Endpoint requirements">endpoint</a>
81 <br class="table-break"><p>
82 In the table below, <code class="computeroutput">a</code> denotes a (possibly const) value of type
83 <code class="computeroutput">X</code>.
86 <a name="boost_asio.reference.Protocol.t1"></a><p class="title"><b>Table 24. Protocol requirements for extensible implementations</b></p>
87 <div class="table-contents"><table class="table" summary="Protocol requirements for extensible implementations">
106 assertion/note<br> pre/post-conditions
114 <code class="computeroutput">a.family()</code>
119 <code class="computeroutput">int</code>
124 Returns a value suitable for passing as the <span class="emphasis"><em>domain</em></span>
125 argument to <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/000095399/functions/socket.html" target="_top"><code class="computeroutput"><span class="identifier">socket</span><span class="special">()</span></code></a>
133 <code class="computeroutput">a.type()</code>
138 <code class="computeroutput">int</code>
143 Returns a value suitable for passing as the <span class="emphasis"><em>type</em></span>
144 argument to <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/000095399/functions/socket.html" target="_top"><code class="computeroutput"><span class="identifier">socket</span><span class="special">()</span></code></a>
152 <code class="computeroutput">a.protocol()</code>
157 <code class="computeroutput">int</code>
162 Returns a value suitable for passing as the <span class="emphasis"><em>protocol</em></span>
163 argument to <span class="emphasis"><em>POSIX</em></span> <a href="http://www.opengroup.org/onlinepubs/000095399/functions/socket.html" target="_top"><code class="computeroutput"><span class="identifier">socket</span><span class="special">()</span></code></a>
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