diff options
Diffstat (limited to 'activemodel/lib/active_model')
-rw-r--r-- | activemodel/lib/active_model/observing.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/observing.rb b/activemodel/lib/active_model/observing.rb index f9ee142bfd..74a33d45ab 100644 --- a/activemodel/lib/active_model/observing.rb +++ b/activemodel/lib/active_model/observing.rb @@ -52,6 +52,10 @@ module ActiveModel end end + def count_observers + @observer_instances.size + end + protected def instantiate_observer(observer) #:nodoc: # string/symbol |