9 Iterators library [iterators]

9.7 Iterator adaptors [iterators.predef]

9.7.3 Move iterators and sentinels [iterators.move]

9.7.3.4 move_sentinel operations [move.sent.ops]

9.7.3.4.4 move_sentinel non-member functions [move.sent.nonmember]

template <class I, SizedSentinel<I> S> constexpr difference_type_t<I> operator-( const move_sentinel<S>& s, const move_iterator<I>& i);

1

Effects: Equivalent to: return s.last - i.current;

template <class I, SizedSentinel<I> S> constexpr difference_type_t<I> operator-( const move_iterator<I>& i, const move_sentinel<S>& s);

2

Effects: Equivalent to: return i.current - s.last;

template <Semiregular S> constexpr move_sentinel<S> make_move_sentinel(S s);

3

Returns: move_sentinel<S>(s).