intrusive_list.hpp

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#pragma once
 
#include <yaclib/util/detail/node.hpp>
 
namespace yaclib::detail {
 
class List final {
 public:
  List& operator=(const List&) = delete;
  List& operator=(List&&) = delete;
  List(const List&) = delete;
 
  List() noexcept = default;
  List(List&&) noexcept;
 
  void PushFront(Node& node) noexcept;
  void PushBack(Node& node) noexcept;
 
  [[nodiscard]] bool Empty() const noexcept;
  [[nodiscard]] Node& PopFront() noexcept;
 
 private:
  Node _head;
  Node* _tail = &_head;  // need for PushBack
};
 
}  // namespace yaclib::detail