Adds asio library and Storage Module
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>execution::bulk_execute</title>
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<link rel="stylesheet" href="../../boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
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<link rel="home" href="../../index.html" title="Asio">
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<link rel="up" href="../reference.html" title="Reference">
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<link rel="prev" href="execution__blocking_t__possibly_t/value.html" title="execution::blocking_t::possibly_t::value">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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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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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="execution__blocking_t__possibly_t/value.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="execution__bulk_guarantee.html"><img src="../../next.png" alt="Next"></a>
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</div>
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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.execution__bulk_execute"></a><a class="link" href="execution__bulk_execute.html" title="execution::bulk_execute">execution::bulk_execute</a>
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</h3></div></div></div>
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<p>
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<a class="indexterm" name="asio.indexterm.execution__bulk_execute"></a>
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A customisation
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point that creates a bulk sender.
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</p>
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<pre class="programlisting">constexpr unspecified bulk_execute = unspecified;
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</pre>
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<p>
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The name <code class="computeroutput">execution::bulk_execute</code> denotes a customisation point
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object. If <code class="computeroutput">is_convertible_v<N, size_t></code> is true, then the
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expression <code class="computeroutput">execution::bulk_execute(S, F, N)</code> for some subexpressions
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<code class="computeroutput">S</code>, <code class="computeroutput">F</code>, and <code class="computeroutput">N</code> is expression-equivalent
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to:
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem">
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<code class="computeroutput">S.bulk_execute(F, N)</code>, if that expression is valid. If the
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function selected does not execute <code class="computeroutput">N</code> invocations of the
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function object <code class="computeroutput">F</code> on the executor <code class="computeroutput">S</code> in bulk
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with forward progress guarantee <code class="computeroutput">asio::query(S, execution::bulk_guarantee)</code>,
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and the result of that function does not model <code class="computeroutput">sender<void></code>,
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the program is ill-formed with no diagnostic required.
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</li>
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<li class="listitem">
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Otherwise, <code class="computeroutput">bulk_execute(S, F, N)</code>, if that expression is
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valid, with overload resolution performed in a context that includes
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the declaration <code class="computeroutput">void bulk_execute();</code> and that does not include
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a declaration of <code class="computeroutput">execution::bulk_execute</code>. If the function
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selected by overload resolution does not execute <code class="computeroutput">N</code> invocations
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of the function object <code class="computeroutput">F</code> on the executor <code class="computeroutput">S</code>
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in bulk with forward progress guarantee <code class="computeroutput">asio::query(E, execution::bulk_guarantee)</code>,
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and the result of that function does not model <code class="computeroutput">sender<void></code>,
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the program is ill-formed with no diagnostic required.
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</li>
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<li class="listitem">
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Otherwise, if the types <code class="computeroutput">F</code> and <code class="computeroutput">executor_index_t<remove_cvref_t<S>></code>
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model <code class="computeroutput">invocable</code> and if <code class="computeroutput">asio::query(S, execution::bulk_guarantee)</code>
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equals <code class="computeroutput">execution::bulk_guarantee.unsequenced</code>, then
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</li>
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<li class="listitem">
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Evaluates <code class="computeroutput">DECAY_COPY(std::forward<decltype(F)>(F))</code>
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on the calling thread to create a function object <code class="computeroutput">cf</code>. [Note:
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Additional copies of <code class="computeroutput">cf</code> may subsequently be created. --end
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note.]
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</li>
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<li class="listitem">
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For each value of <code class="computeroutput">i</code> in <code class="computeroutput">N</code>, <code class="computeroutput">cf(i)</code>
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(or copy of <code class="computeroutput">cf</code>)) will be invoked at most once by an execution
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agent that is unique for each value of <code class="computeroutput">i</code>.
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</li>
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<li class="listitem">
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May block pending completion of one or more invocations of <code class="computeroutput">cf</code>.
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</li>
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<li class="listitem">
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Synchronizes with (C++Std [intro.multithread]) the invocations of <code class="computeroutput">cf</code>.
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</li>
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<li class="listitem">
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Otherwise, <code class="computeroutput">execution::bulk_execute(S, F, N)</code> is ill-formed.
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</li>
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</ul></div>
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<h5>
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<a name="asio.reference.execution__bulk_execute.h0"></a>
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<span><a name="asio.reference.execution__bulk_execute.requirements"></a></span><a class="link" href="execution__bulk_execute.html#asio.reference.execution__bulk_execute.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/execution/bulk_execute.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/execution.hpp</code>
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</p>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M.
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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></td>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="execution__blocking_t__possibly_t/value.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="execution__bulk_guarantee.html"><img src="../../next.png" alt="Next"></a>
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