map_singleton_resource

# File actionpack/lib/action_dispatch/routing/deprecated_mapper.rb, line 384
        def map_singleton_resource(entities, options = {}, &block)
          resource = SingletonResource.new(entities, options, :path_names => @set.resources_path_names)

          with_options :controller => resource.controller do |map|
            map_associations(resource, options)

            if block_given?
              with_options(options.slice(*INHERITABLE_OPTIONS).merge(:path_prefix => resource.nesting_path_prefix, :name_prefix => resource.nesting_name_prefix), &block)
            end

            map_collection_actions(map, resource)
            map_new_actions(map, resource)
            map_member_actions(map, resource)
            map_default_singleton_actions(map, resource)
          end
        end