[asdf-devel] Tests completed

Robert P. Goldman rpgoldman at sift.info
Mon Jan 13 17:04:26 UTC 2014

Stelian Ionescu wrote:
> On Mon, 2014-01-13 at 10:05 -0600, Robert P. Goldman wrote:
>> Faré wrote:
>>>> I need to look into a means to identify these problematic cases.  Ugh.
>>>>> MOP not standardized.  Ugh ugh ugh ugh.  I'll see if I can pilfer code
>>>>> from Closer-MOP to render ENSURE-CLASS accessible.
>>>>> Is this the moral of this story: code that wishes to be backwards
>>>>> compatible and portable can NEVER change the class hierarchy above an
>>>>> API-visible class, because there is no *portable* way to detect when
>>>>> someone's code will be affected.
>>> What if the previous hierarchy was plain buggy?
>> Then going forward we have to introduce a NEW class to replace the old
>> class.
> I hope you're only referring to new changes, not the ones that already
> happened.

Yes, as I said to Pascal, this particular cat is already out of the bag.

As ASDF has substantially stabilized, though, we need to be more
delicate about breaking backward compatibility going forward.


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