lib/motion_bindable/bindable.rb in motion_bindable-0.2.4 vs lib/motion_bindable/bindable.rb in motion_bindable-0.2.5

@@ -4,15 +4,10 @@
   # # Bindable Module
   #
   # Allow attributes of an object to be bound to other arbitrary objects
   # through unique strategies.
   #
-  # ## One-way binding
-  #
-  # Currently bindings are only one-way, i.e change in the arbitrary object
-  # affects the bindable object but not vice-versa.
-  #
   module Bindable
 
     def bind_attributes(attrs, object = self)
       attrs.each_pair do |k, v|
         case v
@@ -28,9 +23,10 @@
       @bindings << strategy
       self
     end
 
     def unbind_all
+      @bindings ||= []
       @bindings.each { |b| b.unbind }
       @bindings = []
     end
 
     def strategy_for(reference)