テンプレートクラス汎用配列の実装

カスタム配列を実装し、[],<,=演算子を再ロードし、配列はカスタムクラスを使用できます.
ヘッダファイル

#ifndef __MYARRAY_H__
#define __MYARRAY_H__

#include 
using namespace std;

template 
class MyArray
{
	friend ostream & operator<< ( ostream &out, const MyArray &obj);
public:
	MyArray ();
	MyArray (int len);
	MyArray (const MyArray &obj);
	~MyArray();
public:
	T & operator[](int index);
	MyArray & operator=(const MyArray &obj);
public:
	int getlen();
private:
	T *m_p ;
	int len;
};

template 
MyArray::MyArray()
{
	m_p = NULL;
}

template 
MyArray::MyArray (int len)
{
	this->len = len;
	m_p = new T[len];
}

template 
MyArray::MyArray (const MyArray &obj)
{
	len = obj.len;
	m_p = new T[len];
	for(int i = 0; i
MyArray::~MyArray()
{
	if (m_p != NULL)
		delete [] m_p;
	len = 0;
}

template 
T & MyArray::operator[](int index)
{
	return m_p[index];
}

template 
MyArray & MyArray::operator=(const MyArray &obj)
{
	if(this == &obj)
		return *this;

	if(m_p != NULL)
		delete []m_p;

	m_p = new T[obj.len];

	len = obj.len;
	for(int i = 0; i
int MyArray::getlen()
{
	return len;
}

template 
ostream & operator<< (ostream &out, const MyArray &obj)
{
	for(int i = 0; i

しゅかんすう

#include 
#include "MyArray.h"

using namespace std;

//          ,              
// 1       ,      ,       NULL
// 2    <<    ,         
// 3    =          
// 4       ,      

class Student
{
	friend ostream & operator<id = id;
		this->name = new char[20];
		strcpy(this->name, name );
	}

	void print()
	{
		printf("id = %d, name = %s
", id, name);
	}

	~Student()
	{
		if (name != NULL)
		{
			delete [] name;
			name = NULL;
		}
		id = 0;
	}

	Student & operator=(const Student &obj)
	{
		if(this == &obj)
			return *this;
		if (name != NULL)
			delete []name;

		name = new char[20];

		this->id = obj.id;
		strcpy(name, obj.name);

		return *this;
	}

private:
	int id;
	char *name;
};

ostream & operator< a(5);

	a[0] = s1;
	a[1] = s2;
	a[2] = s3;
	a[3] = s4;
	a[4] = s5;

	cout << a << endl;

	system("pause");
	return 0;
}

int main1_1()
{
	MyArray a(10);

	for (int i = 0 ; i b = a,c;

	a[9] = 100;
	c = a;
	cout << a << endl;
	cout << b << endl;
	cout << c << endl;

	system("pause");
	return 0;
}