operator- (std::move_iterator<Iter>, std::move_sentinel)

From cppreference.net

template < std:: sized_sentinel_for < Iter > S > friend constexpr std:: iter_difference_t < Iter > operator - ( const std:: move_sentinel < S > & s, const move_iterator & i ) ;	(1)	(C++20 이후)
template < std:: sized_sentinel_for < Iter > S > friend constexpr std:: iter_difference_t < Iter > operator - ( const move_iterator & i, const std:: move_sentinel < S > & s ) ;	(2)	(C++20 이후)

move_iterator 와 move_sentinel 사이의 거리를 반환합니다.

이 함수 템플릿들은 일반적인 비한정(unqualified) 또는 한정된(qualified) 조회 에는 보이지 않으며, std:: move_iterator < Iter > 가 인자들의 연관 클래스일 때에만 인자 의존 조회(argument-dependent lookup) 를 통해서만 찾을 수 있습니다.

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Feature test macros (C++20)
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Member functions
move_iterator::move_iterator
move_iterator::operator=
move_iterator::base
move_iterator::operator* move_iterator::operator->
move_iterator::operator[]
move_iterator::operator++ move_iterator::operator+ move_iterator::operator+= move_iterator::operator-- move_iterator::operator- move_iterator::operator-=
Non-member functions
operator== operator!= operator< operator<= operator> operator>= operator<=> (until C++20) (C++20)
operator== (move_sentinel) (C++20)
operator+
operator-
operator- (move_sentinel) (C++20)
iter_move (C++20)
iter_swap (C++20)
make_move_iterator (C++11)

목차

i	-	std:: move_iterator < Iter >
s	-	std:: move_sentinel < S > , 여기서 `S` 가 std:: sized_sentinel_for < Iter > 를 만족하는 경우