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From: Marek Kubica <marek@xivilization.net>
To: Gabriel Scherer <gabriel.scherer@gmail.com>
Cc: Malcolm Matalka <mmatalka@gmail.com>, Caml List <caml-list@inria.fr>
Subject: Re: [Caml-list] [ANN] slacko-0.9.0
Date: Sun, 5 Oct 2014 00:43:38 +0200	[thread overview]
Message-ID: <20141005004338.6af9622f@xivilization.net> (raw)
In-Reply-To: <CAPFanBF80Z4ohJngE_BwoLLNs6RopYXHJTWjz=nADgruOG=Q8A@mail.gmail.com>

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Hello Gabriel,

On Sat, 4 Oct 2014 17:23:02 +0200
Gabriel Scherer <gabriel.scherer@gmail.com> wrote:

> `kick` now returns a [> error_cant_kick | `Success of 'a ], while
> `invite` returns [> error_cant_invite | `Success of 'a ].

Thank you for this idea, I was actually looking for a way to define
subsets of polymorphic variants, I didn't know that I can just put them
into other types and was unaware of the # syntax. Now my functions
return just the possible error variants, not all of them anymore.

I've reworked the code to get rid of the huge apierror type (which I
suppose I can throw away completely, since a user of the API will never
need it anyway), but it lead to quite huge blow-up of signatures:

<https://github.com/Leonidas-from-XIV/slacko/blob/37c3626bb9574bc99325267fb4c9f9c3c4f4730c/src/slacko.mli>

I am going to simplify these subsets a bit (since e.g. all history
methods use the same polymorphic variants and some possible error types
imply other error types) but it kinda looks very verbose now - any hints
on what can be done?

regards,
Marek

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  reply	other threads:[~2014-10-04 22:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-04 13:05 Marek Kubica
2014-10-04 13:36 ` Malcolm Matalka
2014-10-04 14:54   ` Marek Kubica
2014-10-04 15:23     ` Gabriel Scherer
2014-10-04 22:43       ` Marek Kubica [this message]
2014-10-05  2:23         ` Jacques Garrigue

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