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--- !ruby/object:RI::ClassDescription attributes: [] class_methods: [] comment: - !ruby/struct:SM::Flow::P body: Implements the Observable design pattern as a mixin so that other objects can be notified of changes in state. See observer.rb for details and an example. constants: [] full_name: Observable includes: [] instance_methods: - !ruby/object:RI::MethodSummary name: add_observer - !ruby/object:RI::MethodSummary name: changed - !ruby/object:RI::MethodSummary name: changed? - !ruby/object:RI::MethodSummary name: count_observers - !ruby/object:RI::MethodSummary name: delete_observer - !ruby/object:RI::MethodSummary name: delete_observers - !ruby/object:RI::MethodSummary name: notify_observers name: Observable superclass: