move_iterator::difference_type
The type difference_type is a move_iterator typedef based on the iterator trait difference_type, and can be used interchangeably with it.
typedef typename iterator_traits<RandomIterator>::difference_type
difference_type;
설명
The type is a synonym for the iterator trait typename iterator_traits<RandomIterator>::pointer.
요구 사항
헤더: <iterator>
네임스페이스: std