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copy-edits 6d7a826

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Xavier Noria 2011-02-21 11:01:26 +01:00
parent 843a5b9a3a
commit 9297027e08
1 changed files with 3 additions and 3 deletions
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6
activemodel/lib/active_model/observing.rb
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@ -48,7 +48,7 @@ module ActiveModel
observers.each { |o| instantiate_observer(o) } observers.each { |o| instantiate_observer(o) }
end end
# Add a new Observer to the pool # Add a new observer to the pool.
def add_observer(observer) def add_observer(observer)
unless observer.respond_to? :update unless observer.respond_to? :update
raise ArgumentError, "observer needs to respond to `update'" raise ArgumentError, "observer needs to respond to `update'"
@ -56,14 +56,14 @@ module ActiveModel
observer_instances << observer observer_instances << observer
end end
# Notify list of observers of a change # Notify list of observers of a change.
def notify_observers(*arg) def notify_observers(*arg)
for observer in observer_instances for observer in observer_instances
observer.update(*arg) observer.update(*arg)
end end
end end
# Total number of observers # Total number of observers.
def count_observers def count_observers
observer_instances.size observer_instances.size
end end