knapo/class_ext_infinite_loop.rb

## class_ext_infinite_loop.rb
class Foo
  def bar
    puts 'bar'
  end
end

module FooExt
  def bar
    puts 'ext bar'
    super
  end
end
Foo.prepend(FooExt)

class Foo
  alias orig_bar bar

  def bar
    puts 'orig_bar'
    orig_bar
  end
end

Foo.new.bar
	class Foo
	def bar
	puts 'bar'
	end
	end

	module FooExt
	def bar
	puts 'ext bar'
	super
	end
	end
	Foo.prepend(FooExt)

	class Foo
	alias orig_bar bar

	def bar
	puts 'orig_bar'
	orig_bar
	end
	end

	Foo.new.bar