23 Containers library [containers]

23.6 Container adaptors [container.adaptors]

23.6.5 Class template stack [stack]

23.6.5.5 stack operators [stack.ops]

template <class T, class Container> bool operator==(const stack<T, Container>& x, const stack<T, Container>& y);

Returns: x.c == y.c.

template <class T, class Container> bool operator!=(const stack<T, Container>& x, const stack<T, Container>& y);

Returns: x.c != y.c.

template <class T, class Container> bool operator< (const stack<T, Container>& x, const stack<T, Container>& y);

Returns: x.c < y.c.

template <class T, class Container> bool operator<=(const stack<T, Container>& x, const stack<T, Container>& y);

Returns: x.c <= y.c.

template <class T, class Container> bool operator> (const stack<T, Container>& x, const stack<T, Container>& y);

Returns: x.c > y.c.

template <class T, class Container> bool operator>=(const stack<T, Container>& x, const stack<T, Container>& y);

Returns: x.c >= y.c.