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feixue3000 2003-08-22
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here is a test:
class A
{
public:
char c;
operator short ()const{return c;}
};
int main(int argc, char *argv[])
{
A a1,a2;
a1.c = 'd';
a2.c = 'G';
cout << a1.c << a2.c << endl;;
short s1 = a1;
cout << s1 << endl;;
s1 += a2;
cout << s1 << endl;;
system("PAUSE");
return 0;
}
class A
{
public:
char c;
operator short ()const{return c;}
};
int main(int argc, char *argv[])
{
A a1,a2;
a1.c = 'd';
a2.c = 'G';
cout << a1.c << a2.c << endl;;
short s1 = a1;
cout << s1 << endl;;
s1 += a2;
cout << s1 << endl;;
system("PAUSE");
return 0;
}
feixue3000 2003-08-22
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重载short关键字，const代表本函数不会修改任何数值。
