From: Mathias Kende <mathias@kende.fr>
To: "Stéphane Glondu" <steph@glondu.net>
Cc: <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] forbidden construct as right hand side of "let rec"
Date: Sun, 25 Oct 2009 15:11:51 +0100 [thread overview]
Message-ID: <f23ca73b320d0c61a4a72cd310658e59@quare.fr> (raw)
In-Reply-To: <4AE0DDF5.8040601@glondu.net>
On Fri, 23 Oct 2009 00:34:29 +0200, Stéphane Glondu <steph@glondu.net>
wrote:
> Mathias Kende a écrit :
>> let rec g = f g
>
> What about:
>
> let rec g x = f g x
This will compile, but then I also want to write :
let rec h = t (f h)
(with t : ('a -> 'b) -> 'a -> 'b) but here, I can't afford to use
let rec h x = t (f h) x
because t as some side effects and I need it to be evaluated only once.
Any idea on how to do that ?
next prev parent reply other threads:[~2009-10-25 14:11 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 22:22 Mathias Kende
2009-10-22 22:34 ` [Caml-list] " Stéphane Glondu
2009-10-22 23:10 ` Lukasz Stafiniak
2009-10-23 15:35 ` Damien Guichard
2009-10-23 16:14 ` Marc de Falco
2009-10-23 17:51 ` blue storm
2009-10-25 14:11 ` Mathias Kende [this message]
2009-10-25 15:03 ` Stéphane Glondu
2009-10-28 16:52 ` Xavier Leroy
2009-10-28 22:44 ` Lukasz Stafiniak
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