Operator Overloading

[jimin-kiim]

operator overloading

• redefining operators as functions to make if work for user defined types
• member function method
  • use this keyword to implicitly get argument
  • get left operand for binary operators (like +)
  • leftmost object must be of same class as operator
• non member function method
  • need parameters for both operands
  • can have object of different class than operator
  • must be a friend to access private and protected data