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From: Ashish Agarwal <agarwal1975@gmail.com>
Date: Thu, 7 Feb 2013 15:57:42 -0500
Message-ID: <CAMu2m2Jx8vzwNqmM+KAr3vYPkPx1=Ea2vmjksefWMvCbOoJfeA@mail.gmail.com>
To: Martin Jambon <martin.jambon@ens-lyon.org>
Cc: Caml List <caml-list@inria.fr>
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Subject: Re: [Caml-list] use identity for default function


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On Thu, Feb 7, 2013 at 2:59 PM, Martin Jambon <martin.jambon@ens-lyon.org>wrote:


> What's wrong with the following:
>
> let foo ~f x = ...
> let fooi ?(f = fun x -> x) x = foo ~f x


I'd not even define fooi. One can easily call `foo id`, so indeed this is
not a big issue. It would just be a slight convenience to have the default,
and it's mostly out of curiosity.

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On Thu, Feb 7, 2013 at 2:59 PM, Martin Jambon <span dir=3D"ltr">&lt;<a href=
=3D"mailto:martin.jambon@ens-lyon.org" target=3D"_blank">martin.jambon@ens-=
lyon.org</a>&gt;</span> wrote:<br><div class=3D"gmail_quote"><div>=A0</div>=
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">


What&#39;s wrong with the following:<br>
<br>
let foo ~f x =3D ...<br>
let fooi ?(f =3D fun x -&gt; x) x =3D foo ~f x</blockquote><div><br></div><=
div>I&#39;d not even define fooi. One can easily call `foo id`, so indeed t=
his is not a big issue. It would just be a slight convenience to have the d=
efault, and it&#39;s mostly out of curiosity.</div>

<div><br></div></div>

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