bool.html 1.6 KB

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  3. <title>BOOST_PP_BOOL</title>
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  8. The <b>BOOST_PP_BOOL</b> macro performs a boolean conversion on its operand.
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  10. <h4>Usage</h4>
  11. <div class="code">
  12. <b>BOOST_PP_BOOL</b>(<i>x</i>)
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  14. <h4>Arguments</h4>
  15. <dl>
  16. <dt>x</dt>
  17. <dd>
  18. The value to be converted.&nbsp;
  19. Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
  20. </dd>
  21. </dl>
  22. <h4>Remarks</h4>
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  24. If <i>x</i> is <i>0</i>, this macro expands to <i>0</i>.&nbsp;
  25. Otherwise it expands to <i>1</i>.
  26. </div>
  27. <h4>See Also</h4>
  28. <ul>
  29. <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
  30. </ul>
  31. <h4>Requirements</h4>
  32. <div>
  33. <b>Header:</b> &nbsp;<a href="../headers/logical/bool.html">&lt;boost/preprocessor/logical/bool.hpp&gt;</a>
  34. </div>
  35. <h4>Sample Code</h4>
  36. <div><pre>
  37. #include &lt;<a href="../headers/logical/bool.html">boost/preprocessor/logical/bool.hpp</a>&gt;
  38. <a href="bool.html">BOOST_PP_BOOL</a>(6) // expands to 1
  39. <a href="bool.html">BOOST_PP_BOOL</a>(0) // expands to 0
  40. </pre></div>
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  42. <div style="margin-left: 0px;">
  43. <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
  44. </br><i>© Copyright Paul Mensonides 2002</i>
  45. </div>
  46. <div style="margin-left: 0px;">
  47. <p><small>Distributed under the Boost Software License, Version 1.0. (See
  48. accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
  49. copy at <a href=
  50. "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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