Summary

In this chapter you have learned how to use metaprogramming to generate functions and values at compile time instead of runtime. You also learned how to do this in a modern C++ way by using templates, constexpr, static_assert(), if constexpr and type traits. Moreover, with the constant string hashing, you also learned how to use compile time evaluation in a practical context. In the next chapter we will learn how to further expand our C++ toolbox for creating libraries by learning how to construct hidden proxy objects.