class ActionView::PartialRenderer

def collection_with_template(view, template)
  locals = @locals
  as, counter, iteration = @variable, @variable_counter, @variable_iteration
  if layout = @options[:layout]
    layout = find_template(layout, @template_keys)
  end
  partial_iteration = PartialIteration.new(@collection.size)
  locals[iteration] = partial_iteration
  @collection.map do |object|
    locals[as]        = object
    locals[counter]   = partial_iteration.index
    content = template.render(view, locals)
    content = layout.render(view, locals) { content } if layout
    partial_iteration.iterate!
    build_rendered_template(content, template, layout)
  end
end