ActionController::Rendering::ClassMethods
Methods
I
Attributes
[R] renderer

Returns a renderer instance (inherited from ActionController::Renderer) for the controller.
Instance Public methods
inherited(klass)

Source: show | on GitHub 

# File actionpack/lib/action_controller/metal/rendering.rb, line 21
def inherited(klass)
  klass.setup_renderer!
  super
end