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

The video tutorial introduces SCD Variant, a template class in C++ 17, explaining its basic interface, constructors, and initialization. It covers value semantics, copy/move operations, and in-place construction techniques. The tutorial also discusses accessing active alternatives and provides a practical example of using SCD Variant in a web form system to manage user permissions safely.

How can you check which alternative is currently active in a variant?

What is the significance of the 'get' and 'get_if' functions in SCD Variant?

Discuss how SCD Variant can be used to manage user permissions in a web form system.