route_set.rb

def define_hash_access(route, name, kind, options)
  selector = hash_access_name(name, kind)

  # We use module_eval to avoid leaks
  @module.module_eval <<-END_EVAL, __FILE__, __LINE__ + 1
    def #{selector}(options = nil)                                      # def hash_for_users_url(options = nil)
      options ? #{options.inspect}.merge(options) : #{options.inspect}  #   options ? {:only_path=>false}.merge(options) : {:only_path=>false}
    end                                                                 # end
    protected :#{selector}                                              # protected :hash_for_users_url
  END_EVAL
  helpers << selector
end