text: /*
  * File: equaloperator.h
  * Author: Kolger Hajati
  * Date: May 7, 2019
  * Purpose: The file checks "equal to" logic of two expressions.
  */
  
  class EqualOperator: public SubExpression
  {
  public:
  	EqualOperator(Expression* left, Expression* right): SubExpression(left, right)
      {
      }
      int evaluate()
      {
          return left->evaluate() == right->evaluate();
      }
  };
  