69.类型后缀,重载操作符""

#include <iostream>
using namespace std;

class myclass
{
public:
    int num;
    int num2;

public:
    myclass(int num)
    {
        this->num = 0;
        this->num2 = num;
    }
};

//后缀定义只能在外部
//加后缀的类型只能为char,wchar_t,char16_t或unsigned long long
myclass operator "" _cocos_cgw(unsigned long long data)
{
    //返回一个类,在寄存器中生成,调用一个参数的构造函数,大括号给类初始化
    return  { (int)data };
}

void main()
{
    myclass mynum = 12_cocos_cgw;
    cout << mynum.num << endl;
    cout << mynum.num2 << endl;
    cin.get();
}