Template function specialization. Function templates class templates and since c14 variable templates. Partial template specialization is a particular form of class template specialization. Morgan stanley columbia university churchill college cambridge.
Usually used in reference to the c programming language it allows the programmer to specialize only some arguments of a class template as opposed to explicit full specialization where all the template arguments are provided. This allows us to create a function template whose functionality can be adapted to more than one type or class without repeating the entire code for each type. Before the possibilities of the new c language standard c11 the use of templates was quite limited when it came to implementing for instance function objects functors tuple facilities.
There are three kinds of templates. When possible the compiler will deduce the missing template arguments from the function arguments. Templates function templates function templates are special functions that can operate with generic types.
The only thing you have to remember is that the member function template definition in addition to the declaration should be in the header file not the cpp though it does not have to be in the body of the class declaration itself. In earlier versions of c they are always non variadic. Your guess is the correct one.
In order to instantiate a function template every template argument must be known but not every template argument has to be specified. Home c faq technical faq c11 faq publications wg21 papers tcpl tour.