Re: [Rubycocoa-talk] Programmatically overriding 0-arity ObjC methods

[Laurent S. <lsa...@ap...>]

On Aug 29, 2007, at 7:50 PM, sergio wrote:
> I did some googling and I found that the arity conventions in ruby
> 1.9 could change... I don't know what is the official source of
> information about 1.9, but I found this interesting:
>
> (1) http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/120252
> (2) http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/11029?
> help-en
> (3) http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/249149
>
> in short, it seems that in 1.9 both proc{}.arity and proc{||}.arity
> shall return 0 -- by definition (1) -- although it seems (3) that in
> some not so old ruby 1.9.0 release both returned -1. in any case,
> this would be a change from how it works now. if what I am saying is
> just crap, simply ignore it... :-)

Interesting, I didn't know that at least the core team decided to  
investigate a new behavior for 1.9.

Let's keep the RubyCocoa exception for -1 arity methods then, it  
doesn't really harm and we have this workaround :)

Laurent