10.1. What is a template
A template defines a family of related classes or functions, where the parameters in the declaration describe how they are specialized. Templates are generic entities that can be instantiated to create specific user-defined types. The compiler generates new classes or functions when you supply arguments for the parameters. The class or function definition generated from a template with a set of template parameters is called a specialization.
Templates are an area of the C++ language that provide a great deal of flexibility for developers. The ISO C++ standard defines the language facilities and features for templates. Unfortunately, the standard does not specify how a compiler should implement templates. This means that ...
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