Module: Observer

Included in:: BlockObserver, ListSelectionBinding, ModelBinding, TableItemsBinding, TreeItemsBinding, WidgetBinding

Defined in:: lib/command_handlers/models/observer.rb

Overview

Mixin representing Observer trait from Observer Design Pattern Allows classes to include without interfering with their inheritance hierarchy.

Instance Method Summary collapse

#update(changed_value) ⇒ Object

Instance Method Details

#update(changed_value) ⇒ `Object`



6
7
8

# File 'lib/command_handlers/models/observer.rb', line 6

def update(changed_value)
  raise 'Not implemented!'
end