ceph/src/boost/libs/phoenix/doc/html/phoenix/modules/object/construction.html

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  27 <a name="phoenix.modules.object.construction"></a><a class="link" href="construction.html" title="Construction">Construction</a>
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  29 <p>
  30           <span class="bold"><strong><span class="emphasis"><em>Lazy constructors...</em></span></strong></span>
  31         </p>
  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="identifier">construct</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
  33 </pre>
  34 <p>
  35           Lazily construct an object from an arbitrary set of arguments:
  36         </p>
  37 <pre class="programlisting"><span class="identifier">construct</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;(</span><span class="identifier">ctor_arg1</span><span class="special">,</span> <span class="identifier">ctor_arg2</span><span class="special">,</span> <span class="special">...,</span> <span class="identifier">ctor_argN</span><span class="special">);</span>
  38 </pre>
  39 <p>
  40           where the given parameters are the parameters to the constructor of the
  41           object of type T (This implies, that type T is expected to have a constructor
  42           with a corresponding set of parameter types.).
  43         </p>
  44 <p>
  45           Example:
  46         </p>
  47 <pre class="programlisting"><span class="identifier">construct</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;(</span><span class="identifier">arg1</span><span class="special">,</span> <span class="identifier">arg2</span><span class="special">)</span>
  48 </pre>
  49 <p>
  50           Constructs a <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span></code> from <code class="computeroutput"><span class="identifier">arg1</span></code>
  51           and <code class="computeroutput"><span class="identifier">arg2</span></code>.
  52         </p>
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  59             The maximum number of actual parameters is limited by the preprocessor
  60             constant BOOST_PHOENIX_COMPOSITE_LIMIT. Note though, that this limit
  61             should not be greater than BOOST_PHOENIX_LIMIT. By default, <code class="computeroutput"><span class="identifier">BOOST_PHOENIX_COMPOSITE_LIMIT</span></code> is set
  62             to <code class="computeroutput"><span class="identifier">BOOST_PHOENIX_LIMIT</span></code>
  63             (See <a class="link" href="../../actor.html" title="Actor">Actor</a>).
  64           </p></td></tr>
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  69 <td align="right"><div class="copyright-footer">Copyright &#169; 2002-2005, 2010, 2014, 2015 Joel de Guzman, Dan Marsden, Thomas
  70       Heller, John Fletcher<p>
  71         Distributed under the Boost Software License, Version 1.0. (See accompanying
  72         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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