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]

9.7.3.2.5 move_iterator::operator++ [move.iter.op.incr]

constexpr move_iterator& operator++();

1

Effects: Equivalent to ++current.

2

Returns: *this.

constexpr void operator++(int);

3

Effects: Equivalent to ++current.

constexpr move_iterator operator++(int) requires ForwardIterator<I>;

4

Effects: Equivalent to: 

move_iterator tmp = *this;
++current;
return tmp;