# File lib/rack/adapter/rails.rb, line 67 def self.rack_based? rails_version = ::Rails::VERSION return false if rails_version::MAJOR < 2 return false if rails_version::MAJOR == 2 && rails_version::MINOR < 2 return false if rails_version::MAJOR == 2 && rails_version::MINOR == 2 && rails_version::TINY < 3 true # >= 2.2.3 end