Classes are user-defined types, defined by class-specifier, which appears in decl-specifier-seq of the declaration syntax.| en.cppreference.com
Converts between types by reinterpreting the underlying bit pattern.| en.cppreference.com
Defined in header <functional>| en.cppreference.com
Defined in header <memory>| en.cppreference.com
Defined in header <vector>| en.cppreference.com