[ C++ ] 배열 클래스의 템플릿화

#ifndef __ARRAY_TEMPLATE_H_
#define __ARRAY_TEMPLATE_H_

#include <iostream>
#include <cstring>

using namespace std;

template <typename T>
class Bound_Chk_Array
{
private:
	T * arr;
	int len;

	Bound_Chk_Array(const Bound_Chk_Array& arr) { }
	Bound_Chk_Array& operator=(const Bound_Chk_Array& arr) { }

public:
	Bound_Chk_Array(int _len);
	T& operator[] (int idx);
	T operator[] (int idx) const;
	int GetArrLen() const;
	~Bound_Chk_Array();

};

template <typename T>
Bound_Chk_Array<T>::Bound_Chk_Array(int _len) : len(_len)
{
	arr = new T[len];
}

template <typename T>
T& Bound_Chk_Array<T>::operator[] (int idx)
{
	if (idx < 0 || idx >= len)
	{
		cout << "Array index out of bound exception" << endl;
		exit(1);
	}
	return arr[idx];
}

template <typename T>
T Bound_Chk_Array<T>::operator[] (int idx) const
{
	if (idx < 0 || idx >= len)
	{
		cout << "Array index out of bound exception" << endl;
		exit(1);
	}
	return arr[idx];
}

template <typename T>
int Bound_Chk_Array<T>::GetArrLen() const
{
	return len;
}

template <typename T>
Bound_Chk_Array<T>::~Bound_Chk_Array()
{
	delete[] arr;
}

#endif