#pragma once

typedef int QueueDataT;

struct QueueNodeT;

class QueueT{
    public:
        QueueT();
        QueueT(const QueueT & src);
        ~QueueT();
        QueueT & operator=(const QueueT & src);

        void Enqueue(QueueDataT data);
        void Dequeue();
        QueueDataT Front(void) const;
        size_t Size(void) const;

    private:

        QueueNodeT *front, *rear;
        int size;
};