151 lines
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HTML
151 lines
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<title>async_connect</title>
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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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<a accesskey="p" href="async_compose.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="async_connect/overload1.html"><img src="../../next.png" alt="Next"></a>
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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.async_connect"></a><a class="link" href="async_connect.html" title="async_connect">async_connect</a>
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</h3></div></div></div>
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<p>
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<a class="indexterm" name="asio.indexterm.async_connect"></a>
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</p>
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<p>
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The <code class="computeroutput"><span class="identifier">async_connect</span></code> function
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is a composed asynchronous operation that establishes a socket connection
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by trying each endpoint in a sequence.
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</p>
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<p>
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Asynchronously establishes a socket connection by trying each endpoint in
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a sequence.
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="EndpointSequence.html" title="Endpoint sequence requirements">EndpointSequence</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="RangeConnectToken.html" title="Range connect token requirements">RangeConnectToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
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<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload1.html" title="async_connect (1 of 6 overloads)">async_connect</a><span class="special">(</span>
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<span class="identifier">basic_socket</span><span class="special"><</span> <span class="identifier">Protocol</span><span class="special">,</span> <span class="identifier">Executor</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">EndpointSequence</span> <span class="special">&</span> <span class="identifier">endpoints</span><span class="special">,</span>
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<span class="identifier">RangeConnectToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">constraint</span><span class="special"><</span> <span class="identifier">is_endpoint_sequence</span><span class="special"><</span> <span class="identifier">EndpointSequence</span> <span class="special">>::</span><span class="identifier">value</span> <span class="special">>::</span><span class="identifier">type</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>
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<span class="emphasis"><em>» <a class="link" href="async_connect/overload1.html" title="async_connect (1 of 6 overloads)">more...</a></em></span>
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</pre>
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<p>
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(Deprecated: Use range overload.) Asynchronously establishes a socket connection
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by trying each endpoint in a sequence.
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">Iterator</span><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="IteratorConnectToken.html" title="Iterator connect token requirements">IteratorConnectToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
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<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload2.html" title="async_connect (2 of 6 overloads)">async_connect</a><span class="special">(</span>
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<span class="identifier">basic_socket</span><span class="special"><</span> <span class="identifier">Protocol</span><span class="special">,</span> <span class="identifier">Executor</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span>
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<span class="identifier">Iterator</span> <span class="identifier">begin</span><span class="special">,</span>
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<span class="identifier">IteratorConnectToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">constraint</span><span class="special"><!</span><span class="identifier">is_endpoint_sequence</span><span class="special"><</span> <span class="identifier">Iterator</span> <span class="special">>::</span><span class="identifier">value</span> <span class="special">>::</span><span class="identifier">type</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>
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<span class="emphasis"><em>» <a class="link" href="async_connect/overload2.html" title="async_connect (2 of 6 overloads)">more...</a></em></span>
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</pre>
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<p>
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Asynchronously establishes a socket connection by trying each endpoint in
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a sequence.
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">Iterator</span><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="IteratorConnectToken.html" title="Iterator connect token requirements">IteratorConnectToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
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<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload3.html" title="async_connect (3 of 6 overloads)">async_connect</a><span class="special">(</span>
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<span class="identifier">basic_socket</span><span class="special"><</span> <span class="identifier">Protocol</span><span class="special">,</span> <span class="identifier">Executor</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span>
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<span class="identifier">Iterator</span> <span class="identifier">begin</span><span class="special">,</span>
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<span class="identifier">Iterator</span> <span class="identifier">end</span><span class="special">,</span>
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<span class="identifier">IteratorConnectToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">);</span>
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<span class="emphasis"><em>» <a class="link" href="async_connect/overload3.html" title="async_connect (3 of 6 overloads)">more...</a></em></span>
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<span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="EndpointSequence.html" title="Endpoint sequence requirements">EndpointSequence</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="RangeConnectToken.html" title="Range connect token requirements">RangeConnectToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
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<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload4.html" title="async_connect (4 of 6 overloads)">async_connect</a><span class="special">(</span>
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<span class="identifier">basic_socket</span><span class="special"><</span> <span class="identifier">Protocol</span><span class="special">,</span> <span class="identifier">Executor</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">EndpointSequence</span> <span class="special">&</span> <span class="identifier">endpoints</span><span class="special">,</span>
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<span class="identifier">ConnectCondition</span> <span class="identifier">connect_condition</span><span class="special">,</span>
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<span class="identifier">RangeConnectToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">constraint</span><span class="special"><</span> <span class="identifier">is_endpoint_sequence</span><span class="special"><</span> <span class="identifier">EndpointSequence</span> <span class="special">>::</span><span class="identifier">value</span> <span class="special">>::</span><span class="identifier">type</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>
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<span class="emphasis"><em>» <a class="link" href="async_connect/overload4.html" title="async_connect (4 of 6 overloads)">more...</a></em></span>
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</pre>
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<p>
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(Deprecated: Use range overload.) Asynchronously establishes a socket connection
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by trying each endpoint in a sequence.
|
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|
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">Iterator</span><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="IteratorConnectToken.html" title="Iterator connect token requirements">IteratorConnectToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
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<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload5.html" title="async_connect (5 of 6 overloads)">async_connect</a><span class="special">(</span>
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<span class="identifier">basic_socket</span><span class="special"><</span> <span class="identifier">Protocol</span><span class="special">,</span> <span class="identifier">Executor</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span>
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<span class="identifier">Iterator</span> <span class="identifier">begin</span><span class="special">,</span>
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<span class="identifier">ConnectCondition</span> <span class="identifier">connect_condition</span><span class="special">,</span>
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<span class="identifier">IteratorConnectToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">constraint</span><span class="special"><!</span><span class="identifier">is_endpoint_sequence</span><span class="special"><</span> <span class="identifier">Iterator</span> <span class="special">>::</span><span class="identifier">value</span> <span class="special">>::</span><span class="identifier">type</span> <span class="special">=</span> <span class="number">0</span><span class="special">);</span>
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<span class="emphasis"><em>» <a class="link" href="async_connect/overload5.html" title="async_connect (5 of 6 overloads)">more...</a></em></span>
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</pre>
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<p>
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Asynchronously establishes a socket connection by trying each endpoint in
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a sequence.
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="Executor1.html" title="Executor requirements">Executor</a><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">Iterator</span><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a><span class="special">,</span>
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<span class="keyword">typename</span> <a class="link" href="IteratorConnectToken.html" title="Iterator connect token requirements">IteratorConnectToken</a> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">></span>
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<a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload6.html" title="async_connect (6 of 6 overloads)">async_connect</a><span class="special">(</span>
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<span class="identifier">basic_socket</span><span class="special"><</span> <span class="identifier">Protocol</span><span class="special">,</span> <span class="identifier">Executor</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span>
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<span class="identifier">Iterator</span> <span class="identifier">begin</span><span class="special">,</span>
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<span class="identifier">Iterator</span> <span class="identifier">end</span><span class="special">,</span>
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<span class="identifier">ConnectCondition</span> <span class="identifier">connect_condition</span><span class="special">,</span>
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<span class="identifier">IteratorConnectToken</span> <span class="special">&&</span> <span class="identifier">token</span> <span class="special">=</span> <a class="link" href="asynchronous_operations.html#asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a><span class="special">);</span>
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<span class="emphasis"><em>» <a class="link" href="async_connect/overload6.html" title="async_connect (6 of 6 overloads)">more...</a></em></span>
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</pre>
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<h5>
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<a name="asio.reference.async_connect.h0"></a>
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<span><a name="asio.reference.async_connect.requirements"></a></span><a class="link" href="async_connect.html#asio.reference.async_connect.requirements">Requirements</a>
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</h5>
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<p>
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<span class="emphasis"><em>Header: </em></span><code class="literal">asio/connect.hpp</code>
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</p>
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<p>
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<span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio.hpp</code>
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</p>
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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="async_compose.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="async_connect/overload1.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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