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

From cppreference.net

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

두 개의 컨테이너 어댑터의 기반 컨테이너 내용을 비교합니다. 비교는 해당 연산자를 기반 컨테이너에 적용하여 수행됩니다.

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Feature test macros (C++20)
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Member functions
stack::stack
stack::~stack
stack::operator=
Element access
stack::top
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stack::empty
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Modifiers
stack::push
stack::push_range (C++23)
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Non-member functions
swap (std::stack) (C++11)
operator== operator!= operator< operator> operator<= operator>= operator<=> (C++20)
Helper classes
uses_allocator <std::stack> (C++11)
formatter <std::stack> (C++23)
Deduction guides (C++17)

목차

lhs, rhs	-	비교할 컨테이너 어댑터
- `T` 는 EqualityComparable 요구 사항을 충족해야 합니다.