gistfile1.txt

module Foo
  module Bar
    TEST = 5
  end

  class Buzz
    def relative
      puts Bar::TEST  # ::Foo::Bar::Test
    end
    def absolute
      puts ::Bar::TEST
    end
  end
end

module Fizz
  class Buzz2 < ::Foo::Buzz
  end
end

module Bar
  TEST = 10
end