Specifies that a type can be used in boolean contexts. More...
Related Functions | |
(Note that these are not member functions.) | |
Requirements for std::swappable | |
You can expect these functions on all types that implement std::swappable. | |
void | swap (t &lhs, t &rhs) |
Swaps the contents of two objects. More... | |
Specifies that a type can be used in boolean contexts.