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From: "Milan Stanojević" <milanst@gmail.com>
To: "Török Edwin" <edwin+ml-ocaml@etorok.net>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] confusing type error when using function with optional arguments
Date: Fri, 16 Nov 2012 11:05:35 -0500	[thread overview]
Message-ID: <CAKR7PS-V-7X+GiAr0S7-mhiSWHixd7YcQo7X0+z3W2NOEuDVKQ@mail.gmail.com> (raw)
In-Reply-To: <50A662C2.8000402@etorok.net>

>> I don't understand why foo1 is fine and foo2 isn't. I would have
>> thought that I can use foo2 wherever I can foo1 since it has a
>> strictly more general type.
>> Am I missing something obvious here?
>
> Its probably due to the optional labels, this works:
> let y = () |! foo2 ?x:None ?y:None

The question is why foo1 doesn't need this and foo2 does.

  reply	other threads:[~2012-11-16 16:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-16 14:50 Milan Stanojević
2012-11-16 15:58 ` Török Edwin
2012-11-16 16:05   ` Milan Stanojević [this message]
2012-11-16 16:10     ` Didier Cassirame

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