public UnaryExpression(Expression operand, UnaryOperator @operator)
{
_operand = operand;
_operator = @operator;
}
public BinaryExpression(Expression leftOperand, Expression rightOperand, BinaryOperator @operator)
{
_leftOperand = leftOperand;
_rightOperand = rightOperand;
_operator = @operator;
}
public static Number Run(Expression expression)
{
var evaluator = new Evaluator();
expression.Accept(evaluator);
return evaluator.Complete();
}
public GroupedExpression(Expression operand)
{
Debug.Assert(operand != null);
_operand = operand;
}