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From: Yotam Barnoy <yotambarnoy@gmail.com>
To: octachron <octa@polychoron.fr>
Cc: Ocaml Mailing List <caml-list@inria.fr>
Subject: Re: [Caml-list] pipe input short syntax idea
Date: Sat, 10 Oct 2015 20:19:45 -0400	[thread overview]
Message-ID: <CAN6ygOkYrbQq7d-_+MC6R3aodR6FfjD5v3aM-kVbNdLxj-GBww@mail.gmail.com> (raw)
In-Reply-To: <56191C97.5000003@polychoron.fr>

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I definitely agree that we need a standardized composition operator. It's
so much nicer to have one in the standard library rather than having to
define our own. I personally use |- but I would be open to anything of
equal length.

On Sat, Oct 10, 2015 at 10:11 AM, octachron <octa@polychoron.fr> wrote:

> Hi,
> If you just want a short notation for (fun x -> x |> f |> g |> ...),
> why not simply define a composition operator?
>
> With
> let (->-) f g x =  x |> f |> g;;
> you can rewrite the previous expression as f ->- g ->- h ...
> I personally don't think that there is any need for a special syntax here.
>
> At the same time, it could be nice if there was a standardized name for
> composition operators.
>
> —octachron.
>
> Le 10/10/15 15:52, Nils Becker a écrit :
>
> hi,
>>
>> just an idea for a short notation which might be appealing:
>>
>> (|> f |> g |> ... ) as abbreviation for (fun x -> x |> f |> g |> ...)
>>
>> (|> f) would be just f.
>>
>> in other words a it's function composition using |> . it looks intuitive
>> to me. but of course it could be a bad idea for a lot of reasons.
>>
>> n,
>>
>>
>>
>
> --
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> https://sympa.inria.fr/sympa/arc/caml-list
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>

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  reply	other threads:[~2015-10-11  0:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-10 13:52 Nils Becker
2015-10-10 14:11 ` octachron
2015-10-11  0:19   ` Yotam Barnoy [this message]
2015-10-11  0:56     ` Ian Zimmerman
2015-10-11  1:01       ` Yotam Barnoy
2015-10-11  1:09 ` Martin DeMello
2015-10-11  1:31   ` Yotam Barnoy
2015-10-11  8:36     ` Petter A. Urkedal

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