public override object Clone() { return(new IsNull((val)_operand.Clone())); }
public override object Clone() { return(new InExp((val)_lOperand.Clone(), (IElement[])_operands.Clone())); }
public override object Clone() { return(new Between((val)_operand.Clone() , (IElement)_fromOperand.Clone() , (IElement)_toOperand.Clone())); }