diff options
| -rw-r--r-- | activemodel/lib/active_model/observing.rb | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/activemodel/lib/active_model/observing.rb b/activemodel/lib/active_model/observing.rb index f09bdca9d1..af036b560e 100644 --- a/activemodel/lib/active_model/observing.rb +++ b/activemodel/lib/active_model/observing.rb @@ -48,7 +48,7 @@ module ActiveModel observers.each { |o| instantiate_observer(o) } end - # Add a new Observer to the pool + # Add a new observer to the pool. def add_observer(observer) unless observer.respond_to? :update raise ArgumentError, "observer needs to respond to `update'" @@ -56,14 +56,14 @@ module ActiveModel observer_instances << observer end - # Notify list of observers of a change + # Notify list of observers of a change. def notify_observers(*arg) for observer in observer_instances observer.update(*arg) end end - # Total number of observers + # Total number of observers. def count_observers observer_instances.size end |