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Re: Assigning default slot value plus side effects?
- To: commonloops.pa@Xerox.COM
- Subject: Re: Assigning default slot value plus side effects?
- From: firstname.lastname@example.org (George Williams)
- Date: Fri, 13 Jul 90 13:22:55 cdt
- Redistributed: commonloops.pa
In a recent submission from email@example.com (Marty Hall):
> ... initialize-instance
>uses slot-value (not the accessors) for putting values in slots.
>Peter Saurugger responded that he didn't think there was any clean
>approach, and went on to say:
>> While the X3JI3 Specs mention the possibility of adding to the existing
>> initialization-protocol, the behaviour you describe does not seem to be
>> mentioned in this document.
>> I agree very strongly with you that on initialization I would expect the
>> same behaviour as when updating a slot.
It seems like one reason why you would _not_ want the initialization
protocol to invoke the accessor methods is that these methods
frequently depend on the slot being already initialized. E.g., an
:after method which increments the slot value after each reference.
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