HelenOS sources

is_heap_until    1038 uspace/lib/cpp/include/__bits/algorithm.hpp         return is_heap_until(first, last, less<value_type>{});
is_heap_until    1072 uspace/lib/cpp/include/__bits/algorithm.hpp         return is_heap_until(first, last) == last;
is_heap_until    1079 uspace/lib/cpp/include/__bits/algorithm.hpp         return is_heap_until(first, last, comp) == last;