From: FALCON Gilles FTRD/DTL/LAN <gilles.falcon@rd.francetelecom.com>
To: "'Laurent Chéno'" <laurent.cheno@noos.fr>,
"Michael Leary" <leary@nwlink.com>
Cc: Caml-list <caml-list@margaux.inria.fr>
Subject: RE: [Caml-list] function type confusion (using let)
Date: Mon, 3 Sep 2001 08:26:52 +0200 [thread overview]
Message-ID: <BE63F7E2F911D511957400062938239E3F06B3@L-MHS2.rd.francetelecom.fr> (raw)
-----Message d'origine-----
De : Laurent Chéno [mailto:laurent.cheno@noos.fr]
Envoyé : lundi 3 septembre 2001 07:55
À : Michael Leary
Cc : Caml-list
Objet : Re: [Caml-list] function type confusion (using let)
(* please excuse my poor english *)
> I was trying to be clever about not using ;; and minimizing my use of ;
> in
> files, and I've gone off the deep end...
>
> Why is this wrong, and how do I fix it?:
>
> let pi = 3.14159
> let pi2 = 2.0 *. pi
>
> let normr r =
> let x = mod_float r pi2 in
> if x > 0.0 then
> if x > pi then
> -.pi2 +. x
> else
> x
> else if x < 0.0 then
^ this "then" has no else !
> if x < -.pi then (* <------ here *)
> pi2 +. x
> else
> x
... else ??
You have forgotten the "else" clause : if <cond> then <expr> has
type : unit
if <cond> then <float-expr> else <float-expr> has type : float
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next reply other threads:[~2001-09-03 9:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-03 6:26 FALCON Gilles FTRD/DTL/LAN [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-09-03 5:25 Michael Leary
2001-09-03 5:46 ` Patrick M Doane
2001-09-03 5:53 ` Michael Leary
2001-09-03 5:51 ` Michael Leary
2001-09-04 4:51 ` ITO Tsuyoshi
2001-09-03 5:55 ` Laurent Chéno
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