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[Caml-list] Reason why 'for' doesn't work across floats?
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Date: -- (:)
From: Richard Jones <rich@a...>
Subject: Re: [Caml-list] Reason why 'for' doesn't work across floats?
On Thu, Jan 08, 2004 at 04:03:58PM +0100, Michal Moskal wrote:
> On Thu, Jan 08, 2004 at 02:11:52PM +0000, Richard Jones wrote:
> > Is there a particular reason why I shouldn't be allowed to step over
> > floats?
> > 
> > # for r = 0. to 9. step 1. do printf "%f" r done;;
> >           --
> > This expression has type float but is here used with type int
> 
> let f a b = for x = a to b do () done
> 
> What type would f have (int -> int -> int or float -> float -> float)?
> One would need "for.", which doesn't seem appealing.

Perhaps 'a -> 'a -> 'a ?

Is this much different from the generic-but-not-really < operator in
OCaml?

Rich.

-- 
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