close
int &fun(int &a)
{
a += 10;
return a;
}
int main()
{
int a=10;
fun(a) = 5; ////方法回傳了a的address
cout << a;////5
return 0;
}
全站熱搜
int &fun(int &a)
{
a += 10;
return a;
}
int main()
{
int a=10;
fun(a) = 5; ////方法回傳了a的address
cout << a;////5
return 0;
}