gist: 119068


  
    
      blah.rb
    
    
      
      
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              # This comes from GenericWebLibrary
class BaseComponent
end
 
# This comes from RestExtensionLibrary
class RestComponent < BaseComponent
end
 
# In a language with mixins you could do
class SomeFilterStuff
  def initialize(base_component)...
 
  def login_required...
 
  def method_missing(...)
    base_component.send(...
  end
end
 
SomeFilterStuff.new(BaseComponent.new)
SomeFilterStuff.new(RestComponent.new)
 
# not more verbose and you've replaced a static decoration with a dynamic decoration. which is always preferable, since you can change the order, add more decorations, etc. at runtime.