9 Iterators library [iterators]

9.7 Iterator adaptors [iterators.predef]

9.7.3 Move iterators and sentinels [iterators.move]

9.7.3.2 move_iterator operations [move.iter.ops]

9.7.3.2.7 move_iterator::operator+ [move.iter.op.+]

constexpr move_iterator operator+(difference_type n) const requires RandomAccessIterator<I>;

Effects: Equivalent to: return move_iterator(current + n);