[MacRuby-devel] thread-safety and collections in macruby

[Terry Moore]

That's odd. I would still use freeze more rubyish... :)

Terry Moore

On 22/10/2011, at 6:41 PM, Michael Johnston <lastobelus at mac.com> wrote:

> Thanks, I am using:
> 
> results = NSArray.arrayWithArray(worker_results)
> 
> which although it reports true for is_a?(NSMutableArray) is immutable.
> 
> Cheerio,
> 
> Michael Johnston
> lastobelus at mac.com
> 
> 
> 
> 
> On 2011-10-20, at 3:47 PM, terl wrote:
> 
>> Just a note to the original question....
>> 
>> macruby collections are based on objc mutable collections...e.g.
>> 
>> a = %w{my array of strings}
>> ["my","array","of"strings"]
>> 
>> b = a.dup.  b is still a mutable array.
>> 
>> c = NSarray.alloc.initWithArray( a ) immutable array
>> 
>> c << "hi"
>> 
>> runtime error cannot modify frozen/iimmutable array
>> 
>> b= a.dup.freeze
>> 
>> b << "hi"
>> 
>> behaves the same way as NSArray an immutable array.......
>> 
>> 
>> Terry
>> 
>> 
>> 
>> On 21/10/2011, at 9:00 AM, Andy Park wrote:
>> 
>>> 
>>> On 19 Oct 2011, at 22:43, Jordan K. Hubbard wrote:
>>> 
>>>>  If the mail archives were easier to search, I'd pull it up, but it isn't and I'm too lazy. :)
>>>> 
>>> 
>>> I set up an entry in gmane for the mailing list a while ago in order to search the list a bit better: 
>>> 
>>> http://news.gmane.org/gmane.comp.lang.ruby.macintosh.devel
>>> 
>>> 
>>> _______________________________________________
>>> MacRuby-devel mailing list
>>> MacRuby-devel at lists.macosforge.org
>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
>> 
>> _______________________________________________
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> 
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