# File lib/method_source.rb, line 87
    def self.included(klass)
      if klass.method_defined?(:source) && Object.const_defined?(:RUBY_ENGINE) &&
          RUBY_ENGINE =~ /rbx/

        klass.class_eval do
          orig_source = instance_method(:source)

          define_method(:source) do
            begin
              super
            rescue
              orig_source.bind(self).call
            end
          end

        end
      end
    end