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C++ Template Metaprogramming

Understanding Template Terminology

Explore the essential terminology of C++ templates including different template types such as function, class, variable, and alias templates. Understand template parameters like type, non-type, and template templates along with specialization and instantiation methods. This lesson provides a foundational reference for mastering template concepts.

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Types of templates

So far in this section, we have used the general term templates. However, there are four different terms describing the kind of templates we have written:

  • Function template is the term used for a templated function. An example is the max template seen previously.

  • Class template is the term used for a templated class (which can be defined either with the class, struct, or union keyword). An example is the vector class we wrote in the previous lesson.

  • Variable template is the term used for templated variables, such as the NewLine template from the previous section.

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