9 Iterators library [iterators]

9.7 Iterator adaptors [iterators.predef]

9.7.6 Counted iterators [iterators.counted]

9.7.6.2 counted_iterator operations [counted.iter.ops]

9.7.6.2.2 counted_iterator::operator= [counted.iter.op=]

constexpr counted_iterator& operator=(const counted_iterator<ConvertibleTo<I>>& i);

Effects: Assigns i.current to current and i.cnt to cnt.