operator==,!=,<,<=,>,>=,<=>(std::stack)

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std::stack

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operator==operator!=operator<operator>operator<=operator>=operator<=> (C++20)
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uses_allocator<std::stack> (C++11)
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template<class T,class Container> bool operator==(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(1)
template<class T,class Container> bool operator!=(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(2)
template<class T,class Container> bool operator<(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(3)
template<class T,class Container> bool operator<=(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(4)
template<class T,class Container> bool operator>(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(5)
template<class T,class Container> bool operator>=(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(6)
template<class T,std::three_way_comparable Container> std::compare_three_way_result_t<Container> operator<=>(conststd::stack<T, Container>& lhs, conststd::stack<T, Container>& rhs);	(7)	(since C++20)

Compares the contents of the underlying containers of two container adaptors. The comparison is done by applying the corresponding operator to the underlying containers.