Introduction to C++ Operator Overloading

CS202 6- ‹#›

Class Interface

class node; //node declaration

class list { //list.h

public:

list(): head(0){}

list (const list &);

~ list();

list & operator = (const list &);

friend ostream & operator << (ostream &, const list &);

friend istream & operator >> (istream &, list &);

friend list operator + (const list &, const list &);

friend list operator + (const list &, const string &);

friend list operator + (const string &, const list &);

list & operator += (const list &);

list & operator += (const string &);

bool operator == (const list &) const;

bool operator != (const list &) const;

string & operator [] (int) const;

string & operator ++ (); //prefix

string operator ++ (int); //postfix

•••

private:

node * head, *ptr, *tail; //discuss pro’s con’s

};