class ActionView::PartialRenderer

def render_partial(view, template)
  instrument(:partial, identifier: template.identifier) do |payload|
    locals, block = @locals, @block
    object, as = @object, @variable
    if !block && (layout = @options[:layout])
      layout = find_template(layout.to_s, @template_keys)
    end
    object = locals[as] if object.nil? # Respect object when object is false
    locals[as] = object if @has_object
    content = template.render(view, locals) do |*name|
      view._layout_for(*name, &block)
    end
    content = layout.render(view, locals) { content } if layout
    payload[:cache_hit] = view.view_renderer.cache_hits[template.virtual_path]
    build_rendered_template(content, template, layout)
  end
end