Thread: Overloading ++ Operator

Here is my simple Code
http://phpfi.com/246184 I am trying to overload teh ++ operator
I am getting this Following error

Code:

root@mPC:~/desktop# g++ -o op_overload op_overload.cpp
op_overload.cpp:15: error: postfix ‘Point Point::operator++(const Point&)’ must take ‘int’ as its argument
op_overload.cpp:22: error: postfix ‘Point Point::operator++(const Point&)’ must take ‘int’ as its argument
op_overload.cpp: In member function ‘Point Point::operator++(const Point&)’:
op_overload.cpp:23: error: increment of data-member ‘Point::x’ in read-only structure
op_overload.cpp:24: error: increment of data-member ‘Point::y’ in read-only structure

can anyone help me please ??