공식 문서는 아래. https://en.cppreference.com/w/cpp/container/span std::span - cppreference.com The class template span describes an object that can refer to a contiguous sequence of objects with the first element of the sequence at position zero. A span can either have a static extent, in which case the number of elements in the sequence is known at en.cppreference.com C++ 20부터 추가된 기능. 새로운 형태의 컨테이너가 나..