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<h1 class="refname">Componere\cast_by_ref</h1>
<p class="verinfo">(Componere 2 >= 2.1.2)</p><p class="refpurpose"><span class="refname">Componere\cast_by_ref</span> — <span class="dc-title">Casting</span></p>
</div>
<div class="refsect1 description" id="refsect1-componere.cast_by_ref-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type Type">Type</span></span> <span class="methodname"><strong>Componere\cast_by_ref</strong></span>
( <span class="methodparam"><span class="type"><span class="type Type">Type</span></span> <code class="parameter">$type</code></span>
, <span class="methodparam"> <code class="parameter">$object</code></span>
)</div>
</div>
<div class="refsect1 parameters" id="refsect1-componere.cast_by_ref-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<span class="exceptionname"><strong class="exceptionname">type</strong></span></dt>
<dd>
<p class="para">
A user defined type
</p>
</dd>
<dt>
<code class="parameter">object</code></dt>
<dd>
<p class="para">
An object with a user defined type compatible with <span class="exceptionname"><strong class="exceptionname">Type</strong></span>
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-componere.cast_by_ref-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
An <span class="type"><a href="language.types.object.html" class="type object">object</a></span> of type <span class="exceptionname"><strong class="exceptionname">Type</strong></span>, cast from <code class="parameter">object</code>, where members are references to <code class="parameter">object</code> members
</p>
</div>
<div class="refsect1 exceptions" id="refsect1-componere.cast_by_ref-exceptions">
<h3 class="title">Exceptions</h3>
<div class="warning"><strong class="warning">Warning</strong>
<p class="para">
Shall throw <span class="type"><a href="class.invalidargumentexception.html" class="type InvalidArgumentException">InvalidArgumentException</a></span> if the type of <code class="parameter">object</code> is or is derived from an internal class
</p>
</div>
<div class="warning"><strong class="warning">Warning</strong>
<p class="para">
Shall throw <span class="type"><a href="class.invalidargumentexception.html" class="type InvalidArgumentException">InvalidArgumentException</a></span> if <span class="exceptionname"><strong class="exceptionname">Type</strong></span> is an interface
</p>
</div>
<div class="warning"><strong class="warning">Warning</strong>
<p class="para">
Shall throw <span class="type"><a href="class.invalidargumentexception.html" class="type InvalidArgumentException">InvalidArgumentException</a></span> if <span class="exceptionname"><strong class="exceptionname">Type</strong></span> is a trait
</p>
</div>
<div class="warning"><strong class="warning">Warning</strong>
<p class="para">
Shall throw <span class="type"><a href="class.invalidargumentexception.html" class="type InvalidArgumentException">InvalidArgumentException</a></span> if <span class="exceptionname"><strong class="exceptionname">Type</strong></span> is an abstract
</p>
</div>
<div class="warning"><strong class="warning">Warning</strong>
<p class="para">
Shall throw <span class="type"><a href="class.invalidargumentexception.html" class="type InvalidArgumentException">InvalidArgumentException</a></span> if <span class="exceptionname"><strong class="exceptionname">Type</strong></span> is not compatible with the type of <code class="parameter">object</code>
</p>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-componere.cast_by_ref-seealso">
<h3 class="title">See Also</h3>
<ul class="simplelist">
<li class="member"><a href="componere.cast.html" class="xref">Componere\cast</a></li>
</ul>
</div>
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