[Cuis] A few proposed is: additions

[Juan Vuletich]

On 3/11/2015 11:30 PM, Phil (list) wrote:
> On Tue, 2015-03-10 at 14:39 -0400, Phil (list) wrote:
>> On Tue, 2015-03-10 at 10:49 -0300, Juan Vuletich wrote:
>>> Hi Phil,
>>>
>>> On 3/10/2015 2:00 AM, Phil (list) wrote:
>>>> Juan,
>>>>
>>>> I just wanted to touch base on some changes we discussed a while back
>>>> related to #is: / protocols.  I was wondering if this got lost in the
>>>> shuffle or if you decided against doing it?
>>>>
>>>> Thanks,
>>>> Phil
>>> This was loaded as #1313 in June 2012. But the idea didn't really catch
>>> on, and nobody worked on unifying the concept of 'protocols' all over
>>> the system. This was needed, as the aim for Cuis is to try to be
>>> consistent, and use few concepts system wide.
>>>
>>> I removed it in #1629 on March 2013, as the advantages were not really
>>> exercised, and it added complexity that didn't seem worth it.
>>>
>>> But we can reopen discussion, if you want.
>>>
>> Well that's a bummer and unfortunately I've been running with it in 4.0
>> since we discussed it so obviously I wasn't active in submitting
>> changes.  It's something I really want but if it's not something others
>> see the value of I won't push for it in core.  It seemed like a logical
>> fit for use with #is: but I can always just implement it using a
>> different method for my code.
>>
> One thing that would be helpful: can you recommend a way to
> programmatically add a class variable to an existing class?  One thing
> that I'm recalling is that if a changeset with class overrides is saved
> to add them, over time this will become a maintenance chore as other
> subsequent upstream changes will be lost unless I'm constantly
> re-merging these changes in. (i.e. if my changeset adds a class variable
> foo and the class later adds bar, my changeset will override effectively
> removing bar)
>

Not really, but you can take a look at #declare: (and senders, and 
implementors of various sent messages), and experiment with that...

Cheers,
Juan Vuletich

>>> Cheers,
>>> Juan Vuletich
>
>