C++系列-关系运算符

code:
	#include 
	using namespace std;
	class Horse
	{
	private:
		int m_age;
		string m_color;
	public:
		Horse(int ref_age, string ref_color)
		{
			m_age = ref_age;
			m_color = ref_color;
		}
		Horse(const Horse& ref_h)
		{
			m_age = ref_h.m_age;
			m_color = ref_h.m_color;
		}
	
		bool operator==(const Horse& ref_h)		// 返回自身的引用，链式编程，实现连等操作
		{
			if (m_age == ref_h.m_age && m_color == ref_h.m_color)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		bool operator!=(const Horse& ref_h)
		{
			if (m_age == ref_h.m_age && m_color == ref_h.m_color)
			{
				return false;
			}
			else
			{
				return true;
			}
		}
	
		void show_info()
		{
			cout << "age: " << m_age << ", color: " << m_color << endl;
		}
	};
	
	// 对拷贝构造函数的测试
	void test01()
	{
		Horse h1(0, "white");
		Horse h2(h1);
		cout << (h1 == h2) << endl;
		cout << (h1 != h2) << endl;
	}
	
	void main()
	{
		test01();
		system("pause");
	}
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