#cpp
1. Everything You Need to Know About std::variant from C++17.
https://www.cppstories.com/2018/06/variant/

2. In-Place Construction for std::any, std::variant and std::optional.
https://www.cppstories.com/2018/07/in-place-cpp17/

3. How To Use std::visit With Multiple Variants and Parameters.
https://www.cppstories.com/2018/09/visit-variants/