From: Goswin von Brederlow <goswin-v-b@web.de>
To: guillaume.yziquel@citycable.ch
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Polymorphic functors / modules and OCaml-R
Date: Mon, 16 Nov 2009 09:11:19 +0100 [thread overview]
Message-ID: <87r5ry51p4.fsf@frosties.localdomain> (raw)
In-Reply-To: <4B010073.6090402@citycable.ch> (Guillaume Yziquel's message of "Mon, 16 Nov 2009 08:34:11 +0100")
Guillaume Yziquel <guillaume.yziquel@citycable.ch> writes:
> Hello.
>
> I've been trying stuff like these:
>
>> # module type 'a A = sig
>> Error: Parse error: [a_UIDENT] expected after "type" (in [str_item])
>> # module type ['a] A = sig
>> Error: Parse error: [a_UIDENT] expected after "type" (in [str_item])
>> # module type A = sig module type B end
>> ;;
>> Error: Failure: "abstract/nil module type not allowed here"
>> #
>
> Is there a way, somehow, of introducing such polymorphism in modules /
> functors?
Isn't that exactly what a functor is? You just need to wrape the 'a type
in a module.
MfG
Goswin
prev parent reply other threads:[~2009-11-16 8:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-16 7:34 Guillaume Yziquel
2009-11-16 8:11 ` Goswin von Brederlow [this message]
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