int main() {
int a = 10;
int* p = new int(1000);
int& ref = a;
std::cout << "Values of a p and ref: " << a << " " << *p << " " << ref << "\n";
// Modify ref, check if a changed.
++ref;
std::cout << "a and ref: " << a << " " << ref << "\n";
// Implicit subclass to parent class pointer conversion
Parent* parentP = new Child();
parentP->print();
Child* childP = static_cast<Child*>(parentP);
childP->print();
Parent* parentP1 = new Parent();
parentP1->print();
Child child = Child();
parentP = &child;
(*parentP).print();
parentP = parentP1;
parentP->print();
child.print();
return 0;
}
/*
* This function prints the names of all the children in the family.
*
* @attribute: Child *children - head pointer to linked list of children
*/
void Wife::printChildren()
{
Child *child = children;
while(child != NULL){
child->print();
child = child->getSibling();
}
}
int main(void)
{
Child array[] = { Child(0), Child(1), Child(2) };
// array[0] array[1] array[2]
Child *cp = &array[0];
Parent *pp = &array[0];
cp->print(); // 子类
pp->print(); // 子类
//父类指针 指向子类对象的时候， 如果想发生多态，不要给父类指针累加，
cp++; //指针的++ cp+= sizeof(Child)
// pp++;// cp += sizeof(Parent)
// cp->print(); // 子类
// pp->print(); // 子类
cout << "-----" << endl;
int i = 0;
for (i = 0, cp = &array[0], pp = cp; i < 3; i++, cp++, pp = cp) {
cp->print();
pp->print();
}
return 0;
}