doc/html/boost_asio/reference/default_completion_token.html

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  27 <a name="boost_asio.reference.default_completion_token"></a><a class="link" href="default_completion_token.html" title="default_completion_token">default_completion_token</a>
  28 </h3></div></div></div>
  29 <p>
  30         Traits type used to determine the default completion token type associated
  31         with a type (such as an executor).
  32       </p>
  33 <pre class="programlisting">template&lt;
  34     typename T&gt;
  35 struct default_completion_token
  36 </pre>
  37 <h5>
  38 <a name="boost_asio.reference.default_completion_token.h0"></a>
  39         <span class="phrase"><a name="boost_asio.reference.default_completion_token.types"></a></span><a class="link" href="default_completion_token.html#boost_asio.reference.default_completion_token.types">Types</a>
  40       </h5>
  41 <div class="informaltable"><table class="table">
  42 <colgroup>
  43 <col>
  44 <col>
  45 </colgroup>
  46 <thead><tr>
  47 <th>
  48                 <p>
  49                   Name
  50                 </p>
  51               </th>
  52 <th>
  53                 <p>
  54                   Description
  55                 </p>
  56               </th>
  57 </tr></thead>
  58 <tbody><tr>
  59 <td>
  60                 <p>
  61                   <a class="link" href="default_completion_token/type.html" title="default_completion_token::type"><span class="bold"><strong>type</strong></span></a>
  62                 </p>
  63               </td>
  64 <td>
  65                 <p>
  66                   If T has a nested type default_completion_token_type, T::default_completion_token_type.
  67                   Otherwise the typedef type is not defined.
  68                 </p>
  69               </td>
  70 </tr></tbody>
  71 </table></div>
  72 <p>
  73         A program may specialise this traits type if the <code class="computeroutput">T</code> template
  74         parameter in the specialisation is a user-defined type.
  75       </p>
  76 <p>
  77         Specialisations of this trait may provide a nested typedef <code class="computeroutput">type</code>,
  78         which is a default-constructible completion token type.
  79       </p>
  80 <h5>
  81 <a name="boost_asio.reference.default_completion_token.h1"></a>
  82         <span class="phrase"><a name="boost_asio.reference.default_completion_token.requirements"></a></span><a class="link" href="default_completion_token.html#boost_asio.reference.default_completion_token.requirements">Requirements</a>
  83       </h5>
  84 <p>
  85         <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/async_result.hpp</code>
  86       </p>
  87 <p>
  88         <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
  89       </p>
  90 </div>
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  93 <td align="right"><div class="copyright-footer">Copyright &#169; 2003-2019 Christopher M. Kohlhoff<p>
  94         Distributed under the Boost Software License, Version 1.0. (See accompanying
  95         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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