just use an attr_accessor so we do not pay ||= on every notification call

1 files changed, 3 insertions, 5 deletions

diff --git a/activesupport/lib/active_support/notifications.rb b/activesupport/lib/active_support/notifications.rb
index 116f28d360..30daf9dafc 100644
--- a/activesupport/lib/active_support/notifications.rb
+++ b/activesupport/lib/active_support/notifications.rb
@@ -44,7 +44,7 @@ module ActiveSupport
     @instrumenters = Hash.new { |h,k| h[k] = notifier.listening?(k) }
 
     class << self
-      attr_writer :notifier
+      attr_accessor :notifier
 
       def publish(name, *args)
         notifier.publish(name, *args)
@@ -69,13 +69,11 @@ module ActiveSupport
         @instrumenters.clear
       end
 
-      def notifier
-        @notifier ||= Fanout.new
-      end
-
       def instrumenter
         Thread.current[:"instrumentation_#{notifier.object_id}"] ||= Instrumenter.new(notifier)
       end
     end
+
+    self.notifier = Fanout.new
   end
 end