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<a name="asio.reference.as_tuple_t"></a><a class="link" href="as_tuple_t.html" title="as_tuple_t">as_tuple_t</a>
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<p>
<a class="indexterm" name="asio.indexterm.as_tuple_t"></a>
</p>
<p>
A <a class="link" href="../overview/model/completion_tokens.html" title="Completion Tokens">completion token</a>
adapter used to specify that the completion handler arguments should be combined
into a single tuple argument.
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">typename</span> <span class="identifier">CompletionToken</span><span class="special">&gt;</span>
<span class="keyword">class</span> <span class="identifier">as_tuple_t</span>
</pre>
<h5>
<a name="asio.reference.as_tuple_t.h0"></a>
<span><a name="asio.reference.as_tuple_t.types"></a></span><a class="link" href="as_tuple_t.html#asio.reference.as_tuple_t.types">Types</a>
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Description
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<p>
<a class="link" href="as_tuple_t__default_constructor_tag.html" title="as_tuple_t::default_constructor_tag"><span class="bold"><strong>default_constructor_tag</strong></span></a>
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<td>
<p>
Tag type used to prevent the "default" constructor from
being used for conversions.
</p>
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<p>
<a class="link" href="as_tuple_t__executor_with_default.html" title="as_tuple_t::executor_with_default"><span class="bold"><strong>executor_with_default</strong></span></a>
</p>
</td>
<td>
<p>
Adapts an executor to add the as_tuple_t completion token as the
default.
</p>
</td>
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</tbody>
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<h5>
<a name="asio.reference.as_tuple_t.h1"></a>
<span><a name="asio.reference.as_tuple_t.member_functions"></a></span><a class="link" href="as_tuple_t.html#asio.reference.as_tuple_t.member_functions">Member
Functions</a>
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<a class="link" href="as_tuple_t/as_default_on.html" title="as_tuple_t::as_default_on"><span class="bold"><strong>as_default_on</strong></span></a> <span class="silver">[static]</span>
</p>
</td>
<td>
<p>
Function helper to adapt an I/O object to use as_tuple_t as its
default completion token type.
</p>
</td>
</tr>
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<p>
<a class="link" href="as_tuple_t/as_tuple_t.html" title="as_tuple_t::as_tuple_t"><span class="bold"><strong>as_tuple_t</strong></span></a> <span class="silver">[constructor]</span>
</p>
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<p>
Default constructor. <br> <span class="silver"> —</span><br> Constructor.
</p>
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<h5>
<a name="asio.reference.as_tuple_t.h2"></a>
<span><a name="asio.reference.as_tuple_t.data_members"></a></span><a class="link" href="as_tuple_t.html#asio.reference.as_tuple_t.data_members">Data
Members</a>
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<p>
<a class="link" href="as_tuple_t/token_.html" title="as_tuple_t::token_"><span class="bold"><strong>token_</strong></span></a>
</p>
</td>
<td>
</td>
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</table></div>
<p>
The <a class="link" href="as_tuple_t.html" title="as_tuple_t"><code class="computeroutput"><span class="identifier">as_tuple_t</span></code></a>
class is used to indicate that any arguments to the completion handler should
be combined and passed as a single tuple argument. The arguments are first
moved into a <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">tuple</span></code> and that tuple is then passed to
the completion handler.
</p>
<h5>
<a name="asio.reference.as_tuple_t.h3"></a>
<span><a name="asio.reference.as_tuple_t.requirements"></a></span><a class="link" href="as_tuple_t.html#asio.reference.as_tuple_t.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">asio/as_tuple.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio.hpp</code>
</p>
</div>
<div class="copyright-footer">Copyright © 2003-2023 Christopher M. Kohlhoff<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
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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