From: Till Varoquaux <till.varoquaux@gmail.com>
To: Elnatan Reisner <elnatan@cs.umd.edu>
Cc: Caml Mailing List <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] Int64 comparison
Date: Tue, 17 Mar 2009 09:12:49 -0400 [thread overview]
Message-ID: <9d3ec8300903170612t7f611961r6ad1f66c01f062fe@mail.gmail.com> (raw)
In-Reply-To: <FC17C629-D605-46B3-9690-85A119E9B223@cs.umd.edu>
Taken from Int64.ml:
let compare (x: t) (y: t) = Pervasives.compare x y
compare seems to be there for functor applications (e.g. Set.Make
needs it). I would use standard comparison; it should be exactly the
same except it will be more legible and might be a tad faster.
Till
On Tue, Mar 17, 2009 at 8:51 AM, Elnatan Reisner <elnatan@cs.umd.edu> wrote:
> Do the polymorphic ordering functions -- (<), (>), etc. -- correspond to the
> numerical ordering for Int64s and Int32s? I assume so, but I didn't see this
> specified anywhere.
>
> If the answer is 'yes', is there a reason I should prefer
> Int64.compare n1 n2 < 0
> to
> n1 < n2
> ? If there's no specific reason the first is better (and I don't see why it
> would be), I definitely prefer the second.
> -Elnatan
>
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next prev parent reply other threads:[~2009-03-17 13:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-17 12:51 Elnatan Reisner
2009-03-17 13:12 ` Till Varoquaux [this message]
2009-03-17 15:13 ` [Caml-list] " Jérémie Dimino
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