% ruby -v
ruby 1.9.2p136 (2010-12-25 revision 30365) [i386-darwin9.8.0]
% rails -v
Rails 3.0.3
% uname -a
Darwin zippy 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386
% rails new foobar
% cd foobar
% rails c
Loading development environment (Rails 3.0.3)
ruby-1.9.2-p136 > Foobar::Application.config.action_view
 => {:stylesheet_expansions=>{}, :javascript_expansions=>{:defaults=>["prototype", "effects", "dragdrop", "controls", "rails"]}, :debug_rjs=>true}
ruby-1.9.2-p136 > require 'cancan'
 => nil
ruby-1.9.2-p136 > Foobar::Application.config.action_view
 => {:debug_rjs=>true}
ruby-1.9.2-p136 > quit
%