gistfile1.rb

class YohDawgDecorator
  def initialize(subject)
    subject.public_methods(false).each do |meth|
      meth_name = "yoh_dog" + meth
      (class << self; self; end).class_eval do
        define_method meth_name do |*args|
          subject.send meth, *args
        end
      end
    end
  end
end