From: Christopher Zimmermann <christopher@gmerlin.de>
To: caml-list@inria.fr
Cc: Malcolm Matalka <mmatalka@gmail.com>
Subject: Re: [Caml-list] 'b t doesn't equal '_b t?
Date: Sun, 24 Jul 2016 21:17:26 +0200 [thread overview]
Message-ID: <20160724211726.71ac2036@mortimer.gmerlin.de> (raw)
In-Reply-To: <86a8h77ziv.fsf@gmail.com>
'_b t is just not polymorphic. It just means the compiler could not yet
figure out the monomorphic type of '_b. It will be bound to a
monomorphic type later on.
On 2016-07-24 Malcolm Matalka <mmatalka@gmail.com> wrote:
> I have the following error and I don't understand what the compiler is
> trying to tell me. Any hints?
>
> Error: The implementation abb_fut.ml
> does not match the interface abb_fut.cmi:
> Values do not match:
> val bind : 'a t -> ('a -> '_b t) -> '_b t
> is not included in
> val bind : 'a t -> ('a -> 'b t) -> 'b t
> File "abb_fut.ml", line 118, characters 4-8: Actual declaration
>
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next prev parent reply other threads:[~2016-07-24 19:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-24 16:48 Malcolm Matalka
2016-07-24 19:17 ` Christopher Zimmermann [this message]
2016-07-25 9:29 ` Malcolm Matalka
2016-07-25 9:36 ` Rodolphe Lepigre
2016-08-08 10:06 ` Goswin von Brederlow
2016-08-08 14:35 ` Malcolm Matalka
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