Laurent Sansonetti
lsans****@apple*****
Sun Aug 26 20:19:53 JST 2007
Hi Satoshi-san,
This is very cool, I always wanted to do that :-)
I am working on a RubyCocoa app and found that using the duck typing
of NSString was causing some performance problem. The context was a
method that took an NSString, and then I looped lots of time to call
methods on the NSString. It was a lot faster to call #to_s and call
the String methods on the instance, rather than pass via
#method_missing. I suppose that the NSArray and NSDictionary changes
you added will also have this problem, since they also use
#method_missing.
One thing we could do is to automatically define the missing method in
#method_missing. So that the next time, this will be a direct call.
# This is what we currently do when messaging Ruby -> ObjC.
What do you think?
Laurent
On Aug 26, 2007, at 4:14 AM, Satoshi Nakagawa wrote:
> I have added duck typing for NSArray and NSDictionary in r2009.
> Now NSArray and NSDictionary behave Array and Hash respectively.
>
> a = NSMutableArray.alloc.init
> a << 1 << 2 << 3
> p a.map {|i| i.to_i*3 }
> #=> [3, 6, 9]
>
> dic = NSMutableDictionary.alloc.init
> dic[1] = 'one'
> dic[2] = 'two'
> h= { 3 => 'three', 4 => 'four'}
> dic.merge!(h)
> dic.each {|k,v| puts "#{k.to_i}: #{v.to_s}" }
> #=>
> 1: one
> 2: two
> 3: three
> 4: four
>
> --
> Satoshi Nakagawa
>
> _______________________________________________
> Rubycocoa-devel mailing list
> Rubyc****@lists*****
> http://lists.sourceforge.jp/mailman/listinfo/rubycocoa-devel