From: Nicolas barnier <barnier@recherche.enac.fr>
To: ocaml <caml-list@inria.fr>
Subject: [Caml-list] Variance constraint
Date: Tue, 20 Mar 2001 13:52:42 +0100 [thread overview]
Message-ID: <3AB7529A.CBB24D0A@recherche.enac.fr> (raw)
I found the doc quite elusive on the subtle + and - notations
for variance and contravariance constraints of abstract types.
Can someone points out a good reference with examples that
adresses this issue ? Maybe Jacques Garrigue ?
-- Nicolas
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next reply other threads:[~2001-03-20 12:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-20 12:52 Nicolas barnier [this message]
2001-03-20 14:03 ` Jacques Garrigue
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