render_partial_to_object

# File actionview/lib/action_view/renderer/renderer.rb, line 61
      def render_partial_to_object(context, options, &block)
        partial = options[:partial]
        if String === partial
          collection = collection_from_options(options)

          if collection
            # Collection + Partial
            renderer = CollectionRenderer.new(@lookup_context, options)
            renderer.render_collection_with_partial(collection, partial, context, block)
          else
            if options.key?(:object)
              # Object + Partial
              renderer = ObjectRenderer.new(@lookup_context, options)
              renderer.render_object_with_partial(options[:object], partial, context, block)
            else
              # Partial
              renderer = PartialRenderer.new(@lookup_context, options)
              renderer.render(partial, context, block)
            end
          end
        else
          collection = collection_from_object(partial) || collection_from_options(options)

          if collection
            # Collection + Derived Partial
            renderer = CollectionRenderer.new(@lookup_context, options)
            renderer.render_collection_derive_partial(collection, context, block)
          else
            # Object + Derived Partial
            renderer = ObjectRenderer.new(@lookup_context, options)
            renderer.render_object_derive_partial(partial, context, block)
          end
        end
      end