Program Listing for File queue_with_linked_list.h

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#ifndef DATA_STRUCTURES_QUEUE_WITH_LINKED_LIST_H
#define DATA_STRUCTURES_QUEUE_WITH_LINKED_LIST_H

#include "doubly_linked_list.h"

namespace DataStructures {

template <typename T>
class QueueWithLinkedList {
public:
        void push(const T& element) { list.add_last(element); }

        T pop()
        {
                T front = list.get_first();
                list.del_first();
                return front;
        }

        T peek() const { return list.get_first(); }

        size_t size() const { return list.get_size(); }

private:
        DoublyLinkedList<T> list;
};

} // namespace DataStructures

#endif // DATA_STRUCTURES_QUEUE_WITH_LINKED_LIST_H