http://www.rawblock.com/2007/02/07/transparent-property-change-listeners-in-ruby/ Random braindumps vaguely related to coding Tue, 06 Jan 2009 09:38:53 +0000 http://wordpress.org/?v=2.6.3 http://www.rawblock.com/2007/02/07/transparent-property-change-listeners-in-ruby/#comment-3 Julian Doherty Fri, 09 Feb 2007 00:33:00 +0000 http://www.rawblock.com/2007/02/07/transparent-property-change-listeners-in-ruby/#comment-3 Thanks for the feedback pit capitain :) Changes incorporated in the original post (and prompted me to read up more on class_eval) Thanks for the feedback pit capitain Changes incorporated in the original post (and prompted me to read up more on class_eval)

]]> http://www.rawblock.com/2007/02/07/transparent-property-change-listeners-in-ruby/#comment-2 Pit Capitain Thu, 08 Feb 2007 10:00:00 +0000 http://www.rawblock.com/2007/02/07/transparent-property-change-listeners-in-ruby/#comment-2 Julian, there's no need for define_method and eval in the setup method. If you change "instance_eval" to "class_eval", you can simple use def to define the two methods. In any case, you can remove the calls to eval. To get rid of a warning (run your code with ruby -w) change the line "@listeners = {} if @listeners.nil?" to "@listeners ||= {}". Regards, Pit Julian, there’s no need for define_method and eval in the setup method. If you change “instance_eval” to “class_eval”, you can simple use def to define the two methods. In any case, you can remove the calls to eval. To get rid of a warning (run your code with ruby -w) change the line “@listeners = {} if @listeners.nil?” to “@listeners ||= {}”. Regards, Pit

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