(1)

pointer release();

void open( const char *filename, ios_base::openmode mode = ios_base::in

template< class Key, class T, class Compare, class Alloc > bool operator==(

Specifies that an instance of the type can be copy-constructed from an

void pop_back();

Defined in header

Pointer is a type of an object that refers to a function or an object of another type, possibly adding qualifiers. Pointer may also refer to nothing, which is indicated by

Defined in header

float load_factor() const;