Header <forward_list> 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 forward_list Functions operator== operator!= operator< operator<= operator> operator>= operator<=> ss::swap(ss::forward_list) erase(ss::forward_list) erase_if(ss::forward_list) Range access begin cbegin end cend rbegin crbegin rend crend size ssize empty data