text: public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {if (args.length != 1) {return ErrorEval.VALUE_INVALID;}int val;try {val = evaluateArgParity(args[0], ec.getRowIndex(), ec.getColumnIndex());} catch (EvaluationException e) {return e.getErrorEval();}return BoolEval.valueOf(val == _desiredParity);}