From: Goswin von Brederlow <goswin-v-b@web.de>
To: Gabriel Scherer <gabriel.scherer@gmail.com>
Cc: Haoyang Wang <hywang@pobox.com>, caml-list@inria.fr
Subject: Re: [Caml-list] using infix operators/functions in modules when not using "open"
Date: Fri, 27 Apr 2012 10:30:18 +0200 [thread overview]
Message-ID: <87lilha86d.fsf@frosties.localnet> (raw)
In-Reply-To: <CAPFanBEofozEj3dRVU_c9_J2LUSp1DH7X8R=02GBd8BriFoLFA@mail.gmail.com> (Gabriel Scherer's message of "Fri, 27 Apr 2012 08:57:08 +0200")
Gabriel Scherer <gabriel.scherer@gmail.com> writes:
>> Module.("foo" (op) "bar")
>
> This is a local open (a more explicit notation is "let open Module in
> foo op bar"). I think this is a fine solution: I don't like open, but
> local mitigates its flaws.
>
> Another solution is to rebind your operator locally:
>
> let (op) = Module.blah in
> "foo" op "bar"
>
> (of course Module.blah doesn't need to be an infix itself)
>
> If you are going to use an infix operator in a wide scope, I think
> that such a rebinding solution is nice because it's more explicit,
> which is good when it helps users understand the code.
And that also works more globally as in
let (op) = Module.blah
let foo x y = x (op) y
MfG
Goswin
prev parent reply other threads:[~2012-04-27 8:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-26 22:36 ocamllist.robertwork
2012-04-26 23:01 ` Haoyang Wang
2012-04-27 0:28 ` Anthony Tavener
2012-04-27 6:57 ` Gabriel Scherer
2012-04-27 8:30 ` Goswin von Brederlow [this message]
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