super.rb

class A
  def initialize(foo)
    dispatch if respond_to? :dispatch
  end
end

class B < A
  def dispatch
    puts "called dispatch"
  end
end

B.new(:moo)


# respond_to? :dispatch returns true for B
# Dispatch is never called. 

# I want multiple implementations of A subclasses to automagically call dispatch
# after init. THoughts?