C++ Primer, Fifth Edition

Class-Template Partial Specializations

Differently from function templates, a class template specialization does not have to supply an argument for every template parameter. We can specify some, but not all, of the template parameters or some, but not all, aspects of the parameters. A class template partial specialization is itself a template. Users must supply arguments for those template parameters that are not fixed by the specialization.

Note

We can partially specialize only a class template. We cannot partially specialize a function template.

In § 16.2.3 (p. 684) we introduced the library remove_reference type. That template works through ...