libs/preprocessor/doc/headers/facilities/check_empty.html

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   8                 The <b>facilities/check_empty.hpp</b> header defines a variadic macro for the C++20 level that checks if its data is empty or not.
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  10         <h4>Usage</h4>
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  12                         #include <b>&lt;boost/preprocessor/facilities/check_empty.hpp&gt;</b>
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  14         <h4>Contents</h4>
  15                 <ul>
  16                         <li><a href="../../ref/check_empty.html">BOOST_PP_CHECK_EMPTY</a> <a href="../../topics/variadic_macros.html#VNotation" target="_self">(v)</a></li>
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  20                 <i></i><i>© Copyright Edward Diener 2019</i>
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  23                 <p><small>Distributed under the Boost Software License, Version 1.0. (See
  24                 accompanying file <a href="../../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  25                 copy at <a href=
  26                 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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