Functor for selecting the second element of a pair. More...
#include <select.h>
Public Member Functions | |
Pair::second_type & | operator() (Pair &x) const |
Return a reference to the second element. | |
const Pair::second_type & | operator() (const Pair &x) const |
Return a const reference to the second element. |
Functor for selecting the second element of a pair.