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pointer operator->() const
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<p>Arrow operator. </p>
<p>Return the pointer to the cached data element, which is an object of type T. You can only use the return value to read its referenced data element, can not update it. </p>
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<p>Current data element reference object's address, i.e. address of <a class="link" href="ElementHolder.html" title="Chapter 23. ElementHolder">ElementHolder</a>
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