Remove single_template_render? method.

Written when I didn't understand the internals as well. Action View
generally just refers to `@template` when meaning a fixed template
render. So follow that implicit convention.

1 files changed, 1 insertions, 5 deletions

diff --git a/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb b/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb
index 19d9fdf1d4..5a294744e8 100644
--- a/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb
+++ b/actionview/lib/action_view/renderer/partial_renderer/collection_caching.rb
@@ -30,14 +30,10 @@ module ActionView
       end
 
       def automatic_cache_eligible?
-        single_template_render? && !callable_cache_key? &&
+        @template && !callable_cache_key? &&
           @template.eligible_for_collection_caching?(as: @options[:as])
       end
 
-      def single_template_render?
-        @template # Template is only set when a collection renders one template.
-      end
-
       def callable_cache_key?
         @options[:cache].respond_to?(:call)
       end