The function includes is used to determine if every element meets a specified criteria.
template<class InputIterator1, class InputIterator2> bool includes (InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2); template<class InputIterator1, class InputIterator2, class Compare> bool includes (InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
The bool value true is retuned if all values match or false if one or more does not meet the criteria.