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Dependent Names [C++ Reference]
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<h2><a name="dependent_names" id="dependent_names">Dependent Names</a></h2>
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A <span class="curid"><a href="../keywords/dependent_name.html" class="wikilink1" title="keywords:dependent_name">dependent name</a></span> in a template definition is a name on the right side of ”::”, implying that its meaning (whether it is a type, a variable or member function, or a template) <em>depends on</em> the definition of the type to the left of the ”::”. For example, in “Foo::Bar”, “Bar” is the dependent name. Dependent names technically exist outside of template definitions as well, but most discussion of dependent names involves the need for disambiguation of dependent names within template definitions.
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