CS202
6- ‹#›
++ Operators: Prefix & Postfix
string &
list::operator ++ () { //prefix
if (!ptr || !(ptr->next)) {
//consider what other alternatives there
are
string * temp = new string; //just in
case
return *temp;
}
ptr = ptr->next;
return ptr->obj;
}
string operator ++
(int){ //postfix
string temp;
if (!ptr) {
temp = “\0”; //what does this do?
return temp; //and this?
}
temp = ptr->obj; //and this?
ptr = ptr->next; //and this?
return temp; //and this?
}