Header <queue> implementation status Reference Implementation : Cannot implement with language itself. Need compiler support. Used C++ N STL : Partially implemented with C++ N : Fully implemented with C++ N : Not yet implemented Features Standard Implemented in Includes <compare> <initializer_list> Classes queue priority_queue ss::uses_allocator<ss::queue> ss::uses_allocator<ss::priority_queue> Functions operator== operator!= operator< operator<= operator> operator>= operator<=> ss::swap(ss::queue) ss::swap(ss::priority_queue)