array2(template사용)

※main.cpp파일

#include <iostream>

#include "array.h"

#include "complex.h"



int main() {



	int nums1[] = {1,2,3,4,5};

	Array<int>arr1(nums1, 5); // template (원하는 형태의 데이터타입 생성)

	

	for (int i = 0; i<arr1.size(); ++i) {

		std::cout << arr1[i] << std::endl;

	}

	

	double nums2[] = {1.1, 2.2, 3.3, 4.4, 5.5};

	Array<double>arr2(nums2,5);

	

	for (int i = 0; i<arr2.size(); ++i) {

		std::cout << arr2[i] << std::endl;

	}

	

	Complex nums3[] = {Complex(3.0,4.0), Complex(3.0), Complex(), 3.0};

	Array<Complex>arr3(nums3,4);

	for (int i = 0; i<arr3.size(); ++i) {

		std::cout << arr3[i] << std::endl;

	}

	

	return 0;

}

※array.h파일

#ifndef ARRAY_H

#define ARRAY_H

#include <cassert>



template <typename T>

class Array {  // 클래스,생성자,소멸자뒤에는 <T>를 붙이지 않는다.

private:

	static const int ARRAYSIZE; 

	

protected:

	T *pArr_;

	int size_;

public:

	

	

	static int getDefaultSize();

	

	//Array<T> *operator&() {return this;}

	//const Array<T> *operator&() const { return this;}  

	//Array();

	explicit Array(int size = Array<T>::ARRAYSIZE);

	Array(const Array<T>& rhs);

	Array(const T *pArr, int size);

	virtual ~Array();

	

	Array<T>& operator=(const Array<T>& rhs);

	

	bool operator==(const Array<T>& rhs) const;

	

	virtual T& operator[](int index);  

	virtual const T& operator[](int index) const;

	

	int size() const;

};

template<typename T>

const int Array<T>::ARRAYSIZE = 100;



template<typename T>

int Array<T>::getDefaultSize() {

	return Array<T>::ARRAYSIZE;

}



template<typename T>

Array<T>::Array(int size) 

: pArr_(new T[size]),size_(size)

{

	assert(pArr_);

}



template<typename T>

Array<T>::Array(const Array<T>& rhs) 

:pArr_(new T[rhs.size_]),size_(rhs.size_)

{

	assert(pArr_);

	for (int i = 0; i<rhs.size(); i++) {

		pArr_[i] = rhs.pArr_[i];

	}

}



template<typename T>

Array<T>::Array(const T* pArr,int size) 

:pArr_(new T[size]),size_(size)

{

	assert(pArr_);

	for (int i = 0; i<size; ++i) {

		pArr_[i] = pArr[i];

	}

}



template<typename T>

Array<T>::~Array() {

	delete[] pArr_;

}



template<typename T>

Array<T>& Array<T>::operator=(const Array<T>& rhs) {

	if (this != &rhs) {

		delete[] pArr_;

		pArr_ = new T[rhs.size_];

		assert(pArr_);

		size_ = rhs.size_;

		for (int i = 0; i<rhs.size_; ++i) {

			pArr_[i] = rhs.pArr_[i];

		}

	}

	return *this;

}



template<typename T>

bool Array<T>::operator==(const Array<T>& rhs) const {

	if (size_ != rhs.size_) 

		return false;

	int i;

	for (i = 0; i<rhs.size_; ++i) {

		if (pArr_[i] != rhs.pArr_[i]) {

			break;

		}

	}

	

	return (i == rhs.size_);

}



template<typename T>

T& Array<T>::operator[](int index) {

	return pArr_[index];

}



template<typename T>

const T& Array<T>::operator[](int index)const {

	return pArr_[index];

}



template<typename T>

int Array<T>::size() const {

	return size_;

}



#endif