A quick primer on type traits in modern C++

— Written by Triangles on February 22, 2020 • updated on May 02, 2020 • ID 79 — Type traits are a clever technique used in C++ template metaprogramming that gives you the ability to inspect and transform the properties of types. For example, given a generic type T — it could be int, bool, std::vector or whatever you want — with type traits you can ask the compiler some questions: is it an integer?