[MacRuby-devel] next release

[Laurent Sansonetti]

On Mar 13, 2008, at 6:05 PM, Benjamin Stiglitz wrote:

>>> Could we add a category on NSString that auto-converts it to an  
>>> NSMutableString when necessary?
>>
>> Well there is already [-mutableCopy] which when called on an  
>> NSString returns an NSMutableString. But you have to call it, the  
>> process is not done automatically for you.
>>
>> Say that you receive a non-mutable string from Objective-C, and  
>> want to call the #upcase! method on it. AFAIK, MacRuby could 1)  
>> raise an exception 2) auto-convert the receiver as mutable (but a  
>> new object will likely have to be created).
>
> There's no way to do this switch in the general case of incoming  
> CFTypes. Can we easily fudge the locals table to point to a new  
> object in YARV?

Yes we most probably can, but the real question is, should we? I  
personally have a preference for 1), which is more consistent with the  
underlying APIs. Mmh.

Laurent