C++20 for Programmers, 3rd Edition

Chapter 15. Templates, C++20 Concepts and Metaprogramming

Objectives

In this chapter, you’ll:

■ Appreciate the rising importance of generic programming.

■ Use class templates to create related custom classes.

■ Understand compile-time vs. runtime polymorphism.

■ Distinguish between templates and template specializations.

■ Use C++20 abbreviated function templates and templated lambdas.

■ Use C++20 concepts to constrain template parameters and to overload function templates based on their type requirements.

■ Use type traits and see how they relate to C++20 concepts.

■ Test concepts at compile-time with static_assert.

■ Create a custom concept-constrained ...