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ElementRef(iterator_type *pitr=NULL)
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<p>Constructor. </p>
<p>If the pitr parameter is NULL or the default value is used, the object created is a simple wrapper and not connected to a container. If a valid iterator parameter is passed in, the wrapped element will be associated with the matching key/data pair in the underlying container. </p>
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<p>The iterator owning this object. </p>
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ElementRef(const ddt &dt)
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<p>Constructor. </p>
<p>Initializes an <a class="link" href="ElementRef.html" title="Chapter 24. ElementRef">ElementRef</a>
wrapper without an iterator. It can only be used to wrap a data element in memory, it can't access an unerlying database. </p>
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<p>The base class object to initialize this object. </p>
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<pre class="programlisting">
ElementRef(const self &other)
</pre>
<p>Copy constructor. </p>
<p>The constructor takes a "deep" copy. The created object will be identical to, but independent from the original object. </p>
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<p>The object to clone from. </p>
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