Type-Safe Interfaces with Modern C++ - std::variant – Recap

The video tutorial covers the concept of variants in programming, explaining their role as a type-safe way to represent choices between types. It introduces CD variants, a feature in C++17, and discusses their operations, including manual access and visitation. The tutorial also explores various use cases for variants, such as error handling and state machines, and previews the next section on implementing pattern matching.

How does ACD visit work with variants and what is its significance?

What are some common use cases for ACD variant?