Dependent Names

Dependent Names #

A dependent name is essentially a name that depends on a template parameter. A dependent name can be a type, a non-type, or a template-template parameter.

If a dependent name is used in a template declaration or template definition, the compiler has no idea whether this name refers to a type, a non-type, or a template parameter. In this case, the compiler assumes that the dependent name refers to a non-type, which may be wrong.

Let’s have a look at an example of dependent names:

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