From: Stefan Monnier <monnier@iro.umontreal.ca>
To: caml-list@inria.fr
Subject: Re: [Caml-list] what does let () = ... define?
Date: Fri, 18 Mar 2016 15:42:54 -0400 [thread overview]
Message-ID: <jwvd1qr60ak.fsf-monnier+gmane.comp.lang.caml.inria@gnu.org> (raw)
In-Reply-To: <56EC4318.2020701@freenet.de>
> ... the question is: okay, pattern matching left of the equal sign,
> but what does it define? It defines unit and None in the environment,
> and then that value is just sitting there?
let <pat> = <exp1> in <exp2>
is basically syntactic sugar for
match <exp1> with <pat> => <exp2>
-- Stefan
next prev parent reply other threads:[~2016-03-18 19:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-18 18:04 Mr. Herr
2016-03-18 18:26 ` Nick Lucaroni
2016-03-18 18:52 ` Christoph Höger
2016-03-18 22:06 ` Nicolas Barnier
2016-03-18 19:00 ` octachron
2016-03-18 19:42 ` Stefan Monnier [this message]
2016-03-18 21:29 ` Raphaël Proust
2016-03-18 21:54 ` Mr. Herr
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