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-rw-r--r--activemodel/lib/active_model/observing.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/observing.rb b/activemodel/lib/active_model/observing.rb
index 29687866e3..fc84b52dd9 100644
--- a/activemodel/lib/active_model/observing.rb
+++ b/activemodel/lib/active_model/observing.rb
@@ -214,6 +214,7 @@ module ActiveModel
end
# Start observing the declared classes and their subclasses.
+ # Called automatically by the instance method.
def initialize
observed_classes.each { |klass| add_observer!(klass) }
end
@@ -242,6 +243,7 @@ module ActiveModel
klass.add_observer(self)
end
+ # Returns true if notifications are disabled for this object.
def disabled_for?(object)
klass = object.class
return false unless klass.respond_to?(:observers)