--- ancestors

    饹⥸塼Υѡ饹ȥ󥯥롼ɤƤ⥸塼
    ͥ̽˳Ǽ֤ޤ

        module Foo
        end
        class Bar
          include Foo
        end
        class Baz < Bar
          p ancestors
          p included_modules
          p superclass
        end
        # => [Baz, Bar, Foo, Object, Kernel]
        # => [Foo, Kernel]
        # => Bar

