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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: