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From: François Pottier <francois.pottier@inria.fr>
To: Oleg <oleg@okmij.org>
Cc: François Pottier <francois.pottier@inria.fr>, OCaML Mailing List <caml-list@inria.fr>
Subject: Re: [Caml-list] Question on the covariance of a GADT (polymorphic
Date: Tue, 6 Oct 2020 18:45:26 +0200
Message-ID: <c8b02596-8edd-c77b-23f1-4b42b5b18f4a@inria.fr> (raw)
In-Reply-To: <20201006160519.GA2217@Melchior.localnet>


Dear Oleg,

Le 06/10/2020 à 18:05, Oleg a écrit :
> This is indeed a very `popular' problem. On June 21 this year Josh
> Berdine posed almost the same question (without wine and food, alas).
> On 28 June 2020 I sent the reply with three solutions.

Great, thanks for your quick reply!

Now I have to go do my homework and study your solutions :-)
I'll be in touch.

-- 
François Pottier
francois.pottier@inria.fr
http://cambium.inria.fr/~fpottier/

  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-06 11:57 [Caml-list] Question on the covariance of a GADT (polymorphic variants involved) François Pottier
2020-10-06 16:01 ` [Caml-list] Question on the covariance of a GADT (polymorphic Oleg
2020-10-06 16:45   ` François Pottier [this message]
2020-10-06 19:05   ` Josh Berdine
2020-10-06 19:19     ` [Caml-list] Question on the covariance of a GADT (polymorphic variants involved) François Pottier
2020-10-06 20:11       ` Josh Berdine
2020-10-07 13:13       ` [Caml-list] Question on the covariance of a GADT (polymorphic Oleg
2020-10-07 13:13     ` Oleg
2020-10-07  8:11   ` David Allsopp

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