public Value evaluate(
DomainEvaluator evaluator, DomainType returnType, Value sourceVal, Value argVal)
throws InvalidValueException {
ValueFactory valueFactory = evaluator.getValueFactory();
DomainType sourceType = sourceVal.getType();
TypeValue argTypeValue = argVal.asTypeValue();
DomainType argType = argTypeValue.getInstanceType();
return valueFactory.booleanValueOf(
sourceType.isEqualTo(valueFactory.getStandardLibrary(), argType));
}
