From: Charles Oliver Nutter <headius@...>
Date: 2011-10-26T06:38:41+09:00
Subject: [ruby-core:40377] Re: 2.0 feature questionnaire

On Tue, Oct 25, 2011 at 4:27 PM, Joshua Ballanco <jballanc@gmail.com> wrote:
> This was the subject matter of my RubyConf talk. You can view the video
> here: http://confreaks.net/videos/671-rubyconf2011-keeping-ruby-reasonable .
> If you skip to 19:33, I presented a very real example of how this property
> of Proc#bindings can have an impact on performance.

Awesome, thank you for the link Joshua!

Hopefully this helps clear up that it's not a "JRuby can't optimize it
so it's bad" kinda thing. It's actually a very real optimization
headache for *any* implementation, including MRI itself.

And then there's the encapsulation-breaking aspects, which are pretty nasty too.

- Charlie