datatype.cpp

来自「包含各种测试,查找和算法等代码,如冒泡算法,树的遍历,链表,队列,堆栈等」· C++ 代码 · 共 19 行

#include <iostream.h>
typedef int keytype;
struct datatype
{
	keytype key;
	datatype(void){}
	datatype(keytype k): key(k){}
	int operator ==(datatype &a)
		{return key == a.key;}
	int operator !=(datatype &a)
		{return key != a.key;}
};

void main(void)
{
	datatype a = 3, b = 6;
	if(a == b) cout << "a == b";
	else cout << "a != b";
}