I understand that. I'm not particularly familiar with class << self but it seems that everything within its bounds is considered a instance method. In this case would I simply put respond_to? (:inherited_with_facebooker)? Sorry to be bugging you so frequently, just trying to understand this as best as I can. Thank you for all your help.
David On Jan 20, 1:51 pm, Frederick Cheung <[email protected]> wrote: > On 20 Jan 2009, at 21:19, David Law wrote: > > > > > Initially I had self.respond_to? but it did not work either which lead > > me to believe that it might be a class problem instead of an instance > > one. Is that what you are referring to? > > Not really. What I am saying is that SomeClass.respond_to? :foo > tells you whether you can do SomeClass.foo, not whether you can do > some_instance.foo > > Fred > > > On Jan 20, 12:52 pm, Frederick Cheung <[email protected]> > > wrote: > >> On 20 Jan 2009, at 20:48, David Law wrote: > > >>> Here you can see the method inherited has been aliased to > >>> inherited_with_facebooker and inherited_without_facebooker has been > >>> aliased to inherited. However, when the method is called > >>> inherited_without_facebooker goes into an endless recursive call > >>> which > >>> results in a stack level too deep error. I tried to prevent > >>> alias_method_chain from being called twice (which is what I suspect > >>> the problem being) by checking if inherited_with_facebooker already > >>> exists. It has not seemed to fix the problem. Does anyone else > >>> have > >>> a possible solution I may try. Thanks again! > > >> You're in the right mindset but you haven't got you're check quite > >> right. You ask whether the object ActionController::Base (ie the > >> class) responds to that method and it doesn't so that will always > >> return false. What you want is whether instances of that class > >> respond_to your method (so this is the same as > >> String.respond_to? :strip returning false, "".respond_to? :strip > >> returns true) > > >> Fred --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
