| ArithmeticExpression defines addition, subtraction, multiplication,
division or remainder operations. The type of an ArithmeticExpression is a
Number, set by a type checker if there are no errors.
Operator returned is one of Token.PLUS, Token.MINUS,
Token.MULT, Token.DIV or Token.MOD.
author: Brian S O'Neill version: 12 , 9/07/00 |