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std::experimental::ranges:: iterator_t, std::experimental::ranges:: sentinel_t

From cppreference.net
헤더에 정의됨 <experimental/ranges/range>
template < class T >
using iterator_t = decltype ( ranges:: begin ( std:: declval < T & > ( ) ) ) ;
(1) (ranges TS)
template < class T >
using sentinel_t = decltype ( ranges:: end ( std:: declval < T & > ( ) ) ) ;
(2) (ranges TS)

범위 T 의 반복자와 센티넬 타입을 획득합니다.