instance method write_recognize_optimized!

# File actionpack/lib/action_controller/routing/recognition_optimisation.rb, line 133
        def write_recognize_optimized!
          tree = segment_tree(routes)
          body = generate_code(tree)

          remove_recognize_optimized!

          instance_eval %{
            def recognize_optimized(path, env)
              segments = to_plain_segments(path)
              index = #{body}
              return nil unless index
              while index < routes.size
                result = routes[index].recognize(path, env) and return result
                index += 1
              end
              nil
            end
          }, '(recognize_optimized)', 1
        end