66 lines
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66 lines
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<div class="titlepage"><div><div><h4 class="title">
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<a name="boost_asio.reference.strand.require"></a><a class="link" href="require.html" title="strand::require">strand::require</a>
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<p>
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<a class="indexterm" name="boost_asio.indexterm.strand.require"></a>
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Forward a requirement to
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the underlying executor.
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</p>
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<pre class="programlisting">template<
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typename Property>
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constraint< can_require< const Executor &, Property >::value &&!is_convertible< Property, execution::blocking_t::always_t >::value, strand< typename decay< typename require_result< const Executor &, Property >::type >::type > >::type require(
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const Property & p) const;
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</pre>
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<p>
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Do not call this function directly. It is intended for use with the <a class="link" href="../require.html" title="require"><code class="computeroutput">require</code></a> customisation
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point.
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<p>
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For example:
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</p>
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<pre class="programlisting">boost::asio::strand<my_executor_type> ex1 = ...;
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auto ex2 = boost::asio::require(ex1,
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boost::asio::execution::blocking.never);
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</pre>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2021 Christopher
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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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