On Nov 6, 2012, at 4:03 PM, Andres Kievsky <a...@a2apps.com.au> wrote:

> I'm curious - isn't the fact that none of those languages support true 
> multithreading a rather big hindrance when programming a Cocoa Application? 
> How would you put together a responsive application without it?

Threading isn’t mandatory. Most of the slow stuff like network I/O can be done 
with asynchronous APIs. (On the other hand, my app development has been done on 
Mac OS, not iOS, and I know iOS devices have a lot fewer CPU cycles to throw 
around…)

Anyway, if responsiveness is a concern, you probably don’t want to be coding in 
any interpreted language! Back in the day (1998-2000) my team and I were 
struggling to get Java to perform well compared to native apps, and even back 
then Java had considerably better performance than purely interpreted 
‘scripting’ languages.

—Jens
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