activesupport/lib/active_support/basic_object.rb


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# Ruby 1.9 introduces BasicObject which differs slighly from Builder's BlankSlate
# that had been used so far ActiveSupport::BasicObject provides a barebones object with
# the same method on both versions.
module ActiveSupport
  if RUBY_VERSION >= '1.9'
    class BasicObject < ::BasicObject
      undef_method :==
      undef_method :equal?

      # Let ActiveSupport::BasicObject at least raise exceptions.
      def raise(*args)
        ::Object.send(:raise, *args)
      end
    end
  else
    require 'blankslate'
    BasicObject = BlankSlate
  end
end