/Src/Dependencies/Boost/libs/phoenix/doc/html/phoenix/modules/statement/while__statement.html

http://hadesmem.googlecode.com/ · HTML · 69 lines · 69 code · 0 blank · 0 comment · 0 complexity · 547765bfa9df6fa63fec624962d90232 MD5 · raw file 

    

  1. <html>
    2. 

  2. <head>
    3. 

  3. <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
    4. 

  4. <title>while_ Statement</title>
    5. 

  5. <link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css">
    6. 

  6. <meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
    7. 

  7. <link rel="home" href="../../../index.html" title="Chapter&#160;1.&#160;Phoenix 3.0">
    8. 

  8. <link rel="up" href="../statement.html" title="Statement">
    9. 

  9. <link rel="prev" href="switch__statement.html" title="switch_ Statement">
    10. 

  10. <link rel="next" href="___do_while_____statement.html" title="do_while_ Statement">
    11. 

  11. </head>
    12. 

  12. <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
    13. 

  13. <table cellpadding="2" width="100%"><tr>
    14. 

  14. <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td>
    15. 

  15. <td align="center"><a href="../../../../../../../index.html">Home</a></td>
    16. 

  16. <td align="center"><a href="../../../../../../../libs/libraries.htm">Libraries</a></td>
    17. 

  17. <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
    18. 

  18. <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
    19. 

  19. <td align="center"><a href="../../../../../../../more/index.htm">More</a></td>
    20. 

  20. </tr></table>
    21. 

  21. <hr>
    22. 

  22. <div class="spirit-nav">
    23. 

  23. <a accesskey="p" href="switch__statement.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../statement.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="___do_while_____statement.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a>
    24. 

  24. </div>
    25. 

  25. <div class="section">
    26. 

  26. <div class="titlepage"><div><div><h4 class="title">
    27. 

  27. <a name="phoenix.modules.statement.while__statement"></a><a class="link" href="while__statement.html" title="while_ Statement">while_
    28. 

  28.         Statement</a>
    29. 

  29. </h4></div></div></div>
    30. 

  30. <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">phoenix</span><span class="special">/</span><span class="identifier">statement</span><span class="special">/</span><span class="keyword">while</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
    31. 

  31. </pre>
    32. 

  32. <p>
    33. 

  33.           The syntax is:
    34. 

  34.         </p>
    35. 

  35. <pre class="programlisting"><span class="identifier">while_</span><span class="special">(</span><span class="identifier">conditional_expression</span><span class="special">)</span>
    36. 

  36. <span class="special">[</span>
    37. 

  37.     <span class="identifier">sequenced_statements</span>
    38. 

  38. <span class="special">]</span>
    39. 

  39. </pre>
    40. 

  40. <p>
    41. 

  41.           Example: This code decrements each element until it reaches zero and prints
    42. 

  42.           out the number at each step. A newline terminates the printout of each
    43. 

  43.           value.
    44. 

  44.         </p>
    45. 

  45. <pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">for_each</span><span class="special">(</span><span class="identifier">c</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">c</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span>
    46. 

  46.     <span class="special">(</span>
    47. 

  47.         <span class="identifier">while_</span><span class="special">(</span><span class="identifier">arg1</span><span class="special">--)</span>
    48. 

  48.         <span class="special">[</span>
    49. 

  49.             <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">arg1</span> <span class="special">&lt;&lt;</span> <span class="string">", "</span>
    50. 

  50.         <span class="special">],</span>
    51. 

  51.         <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">val</span><span class="special">(</span><span class="string">"\n"</span><span class="special">)</span>
    52. 

  52.     <span class="special">)</span>
    53. 

  53. <span class="special">);</span>
    54. 

  54. </pre>
    55. 

  55. </div>
    56. 

  56. <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
    57. 

  57. <td align="left"></td>
    58. 

  58. <td align="right"><div class="copyright-footer">Copyright &#169; 2002-2005, 2010 Joel de Guzman, Dan Marsden, Thomas Heller<p>
    59. 

  59.         Distributed under the Boost Software License, Version 1.0. (See accompanying
    60. 

  60.         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>)
    61. 

  61.       </p>
    62. 

  62. </div></td>
    63. 

  63. </tr></table>
    64. 

  64. <hr>
    65. 

  65. <div class="spirit-nav">
    66. 

  66. <a accesskey="p" href="switch__statement.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../statement.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="___do_while_____statement.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a>
    67. 

  67. </div>
    68. 

  68. </body>
    69. 

  69. </html>
    70.