operator-(std::move_iterator)

operator-(std::move_iterator) - cppreference.com

From cppreference.com


`template< class Iter1, class Iter2 > auto operator-( const move_iterator<Iter1>& lhs, const move_iterator<Iter2>& rhs ) -> decltype(lhs.base() - rhs.base());`		(since C++11) (constexpr since C++17)

Returns the distance between two iterator adaptors.

lhs, rhs

iterator adaptors to compute the difference of

lhs.base() - rhs.base()