Lines Matching defs:head
87 DList() : head(nullptr), tail(nullptr), len(0) {}93 : head{std::exchange(other.head, nullptr)},101 head = std::exchange(other.head, nullptr);116 head = tail = t;126 if (head == t) {127 head = n;138 bool empty() const { return head == nullptr; }142 T *head, *tail;147 for (auto e = dl.head; e;) {