85 lines
3.2 KiB
HTML
85 lines
3.2 KiB
HTML
<html>
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<head>
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<title>BOOST_PP_REPEAT_FROM_TO_D_z</title>
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<link rel="stylesheet" type="text/css" href="../styles.css">
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</head>
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<body>
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<div style="margin-left: 0px;">
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The <b>BOOST_PP_REPEAT_FROM_TO_D_<i>z</i></b> macro represents a fast horizontal repetition construct.
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It reenters both <b>BOOST_PP_REPEAT</b> and <b>BOOST_PP_WHILE</b> with maximum efficiency.
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</div>
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<h4>Usage</h4>
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<div class="code">
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<b>BOOST_PP_REPEAT_FROM_TO_D_<i>z</i></b>(<i>d</i>, <i>first</i>, <i>last</i>, <i>macro</i>, <i>data</i>)
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</div>
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<h4>Arguments</h4>
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<dl>
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<dt>z</dt>
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<dd>
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The next available <b>BOOST_PP_REPEAT</b> dimension.
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</dd>
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<dt>d</dt>
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<dd>
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The next available <b>BOOST_PP_WHILE</b> iteration.
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</dd>
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<dt>first</dt>
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<dd>
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The lower bound of the repetition.
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Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
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</dd>
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<dt>last</dt>
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<dd>
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The upper bound of the repetition.
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Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
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</dd>
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<dt>macro</dt>
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<dd>
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A ternary operation of the form <i>macro</i>(<i>z</i>, <i>n</i>, <i>data</i>).
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This macro is expanded by <b>BOOST_PP_REPEAT</b> with the next available repetition depth,
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the current repetition number, and the auxiliary <i>data</i> argument.
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</dd>
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<dt>data</dt>
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<dd>
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Auxiliary data passed to <i>macro</i>.
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</dd>
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</dl>
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<h4>Remarks</h4>
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<div>
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This macro expands to the sequence:
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<div>
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<i>macro</i>(<i>z</i>, <i>first</i>, <i>data</i>) <i>macro</i>(<i>z</i>, <i>first</i> + <i>1</i>, <i>data</i>) ... <i>macro</i>(<i>z</i>, <i>last</i> - <i>1</i>, <i>data</i>)
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</div>
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</div>
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<div>
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The number of repetitions (i.e. <i>last</i> - <i>first</i>) must not exceed <b>BOOST_PP_LIMIT_REPEAT</b>.
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</div>
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<div>
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The <i>z</i> value that is passed to <i>macro</i> represents the next available repetition dimension.
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Other macros that have <b>_Z</b> suffix variants internally use <b>BOOST_PP_REPEAT</b>--for example, <b>BOOST_PP_ENUM_PARAMS</b> and <b>BOOST_PP_ENUM_PARAMS_Z</b>.
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Using these <b>_Z</b> versions is not strictly necessary, but passing the <i>z</i> value (that is passed to <i>macro</i>) to these macros allows them to reenter <b>BOOST_PP_REPEAT</b> with maximum efficiency.
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</div>
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<h4>See Also</h4>
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<ul>
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<li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
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<li><a href="limit_repeat.html">BOOST_PP_LIMIT_REPEAT</a></li>
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<li><a href="repeat_from_to.html">BOOST_PP_REPEAT_FROM_TO</a></li>
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<li><a href="repeat_from_to_d.html">BOOST_PP_REPEAT_FROM_TO_D</a></li>
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</ul>
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<h4>Requirements</h4>
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<div>
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<b>Header:</b> <a href="../headers/repetition/repeat_from_to.html"><boost/preprocessor/repetition/repeat_from_to.hpp></a>
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</div>
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<hr size="1">
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<div style="margin-left: 0px;">
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<i><EFBFBD> Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
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</br><i><EFBFBD> Copyright Paul Mensonides 2002</i>
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</div>
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<div style="margin-left: 0px;">
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<p><small>Distributed under the Boost Software License, Version 1.0. (See
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accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
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copy at <a href=
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"http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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</div>
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</body>
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</html>
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