From: David House <dhouse@janestreet.com>
To: Philippe Wang <mail@philippewang.info>
Cc: Dan Bensen <danbensen@att.net>, caml-list@inria.fr
Subject: Re: [Caml-list] polymorphic parameters
Date: Thu, 6 Sep 2012 10:49:41 +0100 [thread overview]
Message-ID: <CAK=fH+hT0MRdFwTxdPu5n1us_8x8sce8t8YVb5k55=h7YW9pqg@mail.gmail.com> (raw)
In-Reply-To: <CAAFfW_r9dbraV2sH2zErR-dBD3uDmEHJ+H4d8=52buFgHVGOcA@mail.gmail.com>
Careful: that doesn't actually ensure polymorphism. See:
https://ocaml.janestreet.com/?q=node/79
On Thu, Sep 6, 2012 at 10:35 AM, Philippe Wang <mail@philippewang.info> wrote:
> On Thu, Sep 6, 2012 at 11:20 AM, Dan Bensen <danbensen@att.net> wrote:
>> How do you indicate that a function parameter is a polymorphic function?
>
> I hope these 2 lines will answer your question:
>
> let f g x = g x
>
> let f (g: 'a -> 'b) x = g x
>
> --
> Philippe Wang
> mail@philippewang.info
>
> --
> Caml-list mailing list. Subscription management and archives:
> https://sympa-roc.inria.fr/wws/info/caml-list
> Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
> Bug reports: http://caml.inria.fr/bin/caml-bugs
>
next prev parent reply other threads:[~2012-09-06 9:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-06 9:20 Dan Bensen
2012-09-06 9:35 ` Philippe Wang
2012-09-06 9:49 ` David House [this message]
2012-09-06 13:19 ` Philippe Wang
2012-09-06 9:55 ` Gabriel Scherer
2012-09-06 9:59 ` Gabriel Scherer
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