is_heap() Returns whether the elements in a range are sorted as a heap
(since C++11)
554
is_heap_until() Returns the first element in a range not sorted as a heap (since
C++11)
554
all_of() Returns whether all elements match a criterion (since C++11) 555
any_of() Returns whether at least one element matches a criterion
(since C++11)
555
none_of() Returns whether none of the elements matches a criterion
(since C++11)
555