CS202
6- ‹#›
Overloading [] Operator
class
string {
public:
char & operator [] (int) const;
•••
};
char
& string::operator [] (int index) const {
return str[index];
}
nConsider
changing this to add
äbounds
checking
äprovide
access to “temporary” memory to ensure the “private” nature
of str’s memory.