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<title>Class Poco::Any</title>
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<div class="header">
<h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1>
<h1 class="symbol">class Any</h1>
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<div class="body">
<p>
<b>Library:</b> Foundation<br />
<b>Package:</b> Core<br />
<b>Header:</b> Poco/Any.h</p>
<h2>Description</h2>
<div class="description">
<p>An <a href="Poco.Any.html" title="class Poco::Any">Any</a> class represents a general type and is capable of storing any type, supporting type-safe extraction of the internally stored data. </p>
<p>Code taken from the Boost 1.33.1 library. Original copyright by Kevlin Henney. Modified for <a href="Poco.html" title="namespace Poco">Poco</a> by Applied Informatics. </p>
</div>
<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.Any.html#3530" title="Poco::Any::empty()">empty</a>, <a href="Poco.Any.html#3526" title="Poco::Any::operator =()">operator =</a>, <a href="Poco.Any.html#3524" title="Poco::Any::swap()">swap</a>, <a href="Poco.Any.html#3531" title="Poco::Any::type()">type</a></p>
<h2>Constructors</h2>
<h3><a name="3518">Any</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.Any.html" title="class Poco::Any">Any</a>();</p>
<div class="description">
<p>Creates an empty any type. </p>
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<h3><a name="3519">Any</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">template < typename ValueType > <a href="Poco.Any.html" title="class Poco::Any">Any</a>(<br /> const ValueType & value<br />);</p>
<div class="description">
<p>Creates an any which stores the init parameter inside. </p>
<p>Example: </p>
<pre>Any a(13);
Any a(string("12345"));
</pre>
</div>
<h3><a name="3521">Any</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.Any.html" title="class Poco::Any">Any</a>(<br /> const <a href="Poco.Any.html" title="class Poco::Any">Any</a> & other<br />);</p>
<div class="description">
<p>Copy constructor, works with empty Anys and initialized <a href="Poco.Any.html" title="class Poco::Any">Any</a> values. </p>
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<h2>Destructor</h2>
<h3><a name="3523">~Any</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">~<a href="Poco.Any.html" title="class Poco::Any">Any</a>();</p>
<div class="description">
<p></p>
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<h2>Member Functions</h2>
<h3><a name="3530">empty</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool empty() const;</p>
<div class="description">
<p>returns true if the <a href="Poco.Any.html" title="class Poco::Any">Any</a> is empty </p>
</div>
<h3><a name="3526">operator =</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">template < typename ValueType > <a href="Poco.Any.html" title="class Poco::Any">Any</a> & operator = (<br /> const ValueType & rhs<br />);</p>
<div class="description">
<p>Assignment operator for all types != <a href="Poco.Any.html" title="class Poco::Any">Any</a>. </p>
<p>Example: </p>
<pre>Any a = 13;
Any a = string("12345");
</pre>
</div>
<h3><a name="3528">operator =</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.Any.html" title="class Poco::Any">Any</a> & operator = (<br /> const <a href="Poco.Any.html" title="class Poco::Any">Any</a> & rhs<br />);</p>
<div class="description">
<p>Assignment operator for <a href="Poco.Any.html" title="class Poco::Any">Any</a>. </p>
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<h3><a name="3524">swap</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.Any.html" title="class Poco::Any">Any</a> & swap(<br /> <a href="Poco.Any.html" title="class Poco::Any">Any</a> & rhs<br />);</p>
<div class="description">
<p>Swaps the content of the two Anys. </p>
</div>
<h3><a name="3531">type</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">const std::type_info & type() const;</p>
<div class="description">
<p>Returns the type information of the stored content. If the <a href="Poco.Any.html" title="class Poco::Any">Any</a> is empty typeid(void) is returned. It is suggested to always query an <a href="Poco.Any.html" title="class Poco::Any">Any</a> for its type info before trying to extract data via an <a href="Poco.Any.html#3542" title="Poco::Any::AnyCast()">AnyCast</a>/<a href="Poco.html#3555" title="Poco::RefAnyCast()">RefAnyCast</a>. </p>
</div>
<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>
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