overload 3e 3e operator c 2b 2b in class

1// money.h -- define the prototype
2class Money
3{
4   public:
5      Money & operator += (const Money &rhs);
6}
7
8// money.cpp -- define the implementation
9Money& Money :: operator += (const Money &rhs)
10{
11   // Yadda Yadda
12  
13   return *this;
14}

1struct Foo
2{
3    double val;
4    friend bool operator<(const Foo& l, const Foo& r)
5    {
6      	//Custom comparison for l < r goes here
7        return l.val < r.val; 
8    }
9};

1istream& operator>>(istream& is, node*& head)
2{
3    // Function call to overload the ">>"
4    // operator
5    takeInput(head);
6}
7

1ostream& operator<<(ostream& os, node* head)
2{
3    // Function call to overload the "<<"
4    // operator
5    print(head);
6}
7