C++ 定长队列的实现

// MyQueue.h
#pragma once
#include <queue>template <class TX>
class MyQueue
{
public:MyQueue();MyQueue(int count);MyQueue(const MyQueue<TX>& m);void push(const TX& _Val);void pop();TX front();size_t size();private:std::queue<TX>  m_queue;    //队列int m_nSetCount;    //设置的定长尺度
};

// MyQueue.cpp
#include "MyQueue.h"template<class TX>
MyQueue<TX>::MyQueue(): m_nSetCount(10) {}template<class TX>
MyQueue<TX>::MyQueue(int count): m_nSetCount(count) {}template<class TX>
MyQueue<TX>::MyQueue(const MyQueue<TX>& m)
{this->m_nSetCount = m.m_nSetCount;this->m_queue = m.m_queue;
}template<class TX>
void MyQueue<TX>::push(const TX& _Val)
{if (m_queue.size() == m_nSetCount)m_queue.pop();m_queue.push(_Val);
}template<class TX>
void MyQueue<TX>::pop()
{this->m_queue.pop();
}template<class TX>
TX MyQueue<TX>::front()
{return m_queue.front();
}template<class TX>
size_t MyQueue<TX>::size()
{return m_queue.size();
}