From: "Francois Rouaix" <frouaix@home.net>
To: <caml-list@inria.fr>
Subject: [Caml-list] stacking abstract base classes
Date: Wed, 21 Nov 2001 12:33:43 -0800 [thread overview]
Message-ID: <003201c172cb$cffe4680$ca01a8c0@homebox> (raw)
I'm trying to stack up several abstract base classes, but apparently
that doesn't fit the current type system. Is there another way to do
this :
class virtual a = object
method virtual x : int
end
class virtual b = object
inherit a as super
method x = pred super#x
end
Without getting this:
$ ocamlc /tmp/x.ml
File "/tmp/x.ml", line 7, characters 17-22:
This expression has no method x
(using OCaml 3.02)
--f
François Rouaix
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reply other threads:[~2001-11-21 21:04 UTC|newest]
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