[Openmcl-devel] :default-initargs for ns-object subclasses

Gary Byers gb at clozure.com
Fri Jan 4 02:58:20 PST 2013


As far as I can see, this was indeed just an oversight; as of r15559, your example
should work as expected in the trunk.

On Thu, 3 Jan 2013, Gary Byers wrote:

>
> My best guess/fuzzy recollection is that this is just an oversight.  I'll try 
> to
> look at it as soon as I stop sneezing, which should be any day now.
>
> On Wed, 2 Jan 2013, Paul Krueger wrote:
>
>> Is this expected / correct behavior?
>> 
>> ? (defclass tst3 (ns:ns-object)
>>    ((s1 :accessor s1 :initarg :s1))
>>    (:default-initargs :s1 4)
>>    (:metaclass ns:+ns-object))
>> #<OBJC:OBJC-CLASS TST3 (#x27D575A0)>
>> ? (slot-boundp (make-instance 'tst3) 's1)
>> NIL
>> ? (slot-boundp (make-instance 'tst3 :s1 3) 's1)
>> T
>> 
>> :default-initargs are ignored for initialization of ns:ns-object 
>> subclasses. I can do the equivalent slot initialization in an 
>> initialize-instance :after method for this class and that works ok, but 
>> this behavior surprised me.
>> 
>> I'm running 1.9-dev-r15527M-trunk  (DarwinX8664)
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>> 
>> 
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