c++——类模板的显示(部分)具体化_c++类模板显示具体化-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_43293451/article/details/108306994

本文深入探讨了C++中类模板的具体化方法，包括全特化和部分特化的应用实例，展示了如何针对特定类型提供定制的行为。通过具体代码示例，读者可以了解类模板在不同场景下的灵活性和强大功能。

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#include<iostream>
using namespace std;

//类模板的显示具体化

//类模板
template<class T1, class T2> class Point{
public:
	Point(T1 x, T2 y) :m_x(x), m_y(y){}
public:
	T1 getX() const { return m_x; }
	void setX(T1 x){ m_x = x; }
	T2 getY()const { return m_y; }
	void setY(T2 y){ m_y = y; }
	void display() const;
private:
	T1 m_x;
	T2 m_y;
};

template<class T1,class T2>
void Point<T1, T2>::display() const{
	cout << "x = " << m_x << ", y = " << m_y << endl;
}

//类模板的显示具体化
template<> class Point < char*, char* > {
public:
	Point(char *x, char *y) :m_x(x), m_y(y){}
public:
	char *getX() const{ return m_x; }
	void setX(char *x){ m_x = x; }
	char *getY() const{ return m_y; }
	void setY(char *y){ m_y = y; }
	void display() const;

private:
	char* m_x;
	char* m_y;
};

void Point<char*, char*>::display() const{
	cout << "x = " << m_x << " | y = " << m_y << endl;
}

int main()
{
	(new Point<int, int>(10, 20))->display();
	(new Point < int, char * >(10, "东经180度"))->display();
	(new Point<char*, char*>("东经180度", "北纬210度"))->display();

	return 0;
}

#include<iostream>
using namespace std;

//类模板的(部分)显示具体化

//类模板
template<class T1, class T2> class Point{
public:
	Point(T1 x, T2 y) :m_x(x), m_y(y){}
public:
	T1 getX() const { return m_x; }
	void setX(T1 x){ m_x = x; }
	T2 getY()const { return m_y; }
	void setY(T2 y){ m_y = y; }
	void display() const;
private:
	T1 m_x;
	T2 m_y;
};

template<class T1,class T2>
void Point<T1, T2>::display() const{
	cout << "x = " << m_x << ", y = " << m_y << endl;
}

//类模板的（部分）显示具体化
template<typename T2> class Point < char*, T2> {
public:
	Point(char *x, T2 y) :m_x(x), m_y(y){}
public:
	char *getX() const{ return m_x; }
	void setX(char *x){ m_x = x; }
	char *getY() const{ return m_y; }
	void setY(T2 y){ m_y = y; }
	void display() const;

private:
	char* m_x;
	T2 m_y;
};

//void Point<char*, char*>::display() const{
//	cout << "x = " << m_x << " | y = " << m_y << endl;
//}

template<typename T2>
void Point<char*, T2>::display() const{
	cout << "x = " <<m_x<< " & y = " << m_y << endl;
}

int main()
{
	(new Point<int, int>(10, 20))->display();
	(new Point < int, char * >(10, "东经180度"))->display();
	(new Point<char*, char*>("东经180度", "北纬210度"))->display();

	return 0;
}