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  26. <div class="titlepage"><div><div><h4 class="title">
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  27. <a name="phoenix.modules.object.casts"></a><a class="link" href="casts.html" title="Casts">Casts</a>
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  28. </h4></div></div></div>
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  29. <p>
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  30.           <span class="bold"><strong><span class="emphasis"><em>Lazy casts...</em></span></strong></span>
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  31.         </p>
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  32. <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">object</span><span class="special">/</span><span class="keyword">static_cast</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
    33. 

  33. <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">object</span><span class="special">/</span><span class="keyword">dynamic_cast</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
    34. 

  34. <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">object</span><span class="special">/</span><span class="keyword">const_cast</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
    35. 

  35. <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">object</span><span class="special">/</span><span class="keyword">reinterpret_cast</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
    36. 

  36. </pre>
    37. 

  37. <p>
    38. 

  38.           The set of lazy C++ cast template functions provide a way of lazily casting
    39. 

  39.           an object of a certain type to another type. The syntax resembles the well
    40. 

  40.           known C++ casts. Take note however that the lazy versions have a trailing
    41. 

  41.           underscore.
    42. 

  42.         </p>
    43. 

  43. <pre class="programlisting"><span class="identifier">static_cast_</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">lambda_expression</span><span class="special">)</span>
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  44. <span class="identifier">dynamic_cast_</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">lambda_expression</span><span class="special">)</span>
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  45. <span class="identifier">const_cast_</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">lambda_expression</span><span class="special">)</span>
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  46. <span class="identifier">reinterpret_cast_</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">lambda_expression</span><span class="special">)</span>
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  47. </pre>
    48. 

  48. <p>
    49. 

  49.           Example:
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  50.         </p>
    51. 

  51. <pre class="programlisting"><span class="identifier">static_cast_</span><span class="special">&lt;</span><span class="identifier">Base</span><span class="special">*&gt;(&amp;</span><span class="identifier">arg1</span><span class="special">)</span>
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  52. </pre>
    53. 

  53. <p>
    54. 

  54.           Static-casts the address of <code class="computeroutput"><span class="identifier">arg1</span></code>
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  55.           to a <code class="computeroutput"><span class="identifier">Base</span><span class="special">*</span></code>.
    56. 

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  60. <td align="right"><div class="copyright-footer">Copyright &#169; 2002-2005, 2010 Joel de Guzman, Dan Marsden, Thomas Heller<p>
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  61.         Distributed under the Boost Software License, Version 1.0. (See accompanying
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  62.         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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