dr. salih yurttas - yurttas@cs.tamu.edu
programming languages - design principles, implementation constructs
c++

  1. abstraction mechanisms: classes and operator overloading
    1. class/object construction - operator overloading
      1. binary and unary operators -
        • binary operators - [ +, +=, == ]
          • a binary operator can be defined either a member function taking one argument or a friend function taking two arguments.
          • for any binary operator @, aa@bb can be interpreted as either aa.operator@(bb) or operator@(aa,bb).
          • if both are defined, aa@bb is an error.

        • unary operators - [ -, &, [] ]
          • a unary operator, whether prefix or postfix, can be defined either a member function taking no argument or a friend function taking one argument.
          • for any unary operator @, both aa@ and @aa can be interpreted as either aa.operator@() or operator@(aa).
          • if both are defined, aa@ and @aa are errors.

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