From: Robert Dober <robert.dober@...>
Date: 2006-09-18T18:48:58+09:00
Subject: Re: Splat, #to_ary and #to_a

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On 9/18/06, dblack@wobblini.net <dblack@wobblini.net> wrote:
>
> Hi --
>
> On Mon, 18 Sep 2006, Yukihiro Matsumoto wrote:
>
> > Hi,
> >
> > In message "Re: Splat, #to_ary and #to_a"
> >    on Mon, 18 Sep 2006 12:28:18 +0900, "Rick DeNatale"
> >    <rick.denatale@gmail.com> writes:
> >
> > |Just what is the fix in 1.9.
> > |
> > |Are you saying that
> > |[*"foo\nbar"] #=3D> ["foo\nbar"]
> > |in 1.9?
> >
> > Yes.  And if you are curious you can try it by yourself.
> >
> > |How about:
> > |[*(1..4)]
> > |which in 1.8.x produces [1, 2, 3, 4]
> >
> > Currently,
> >
> > [1..4]
> >
> > This may be an issue.
>
> I've always thought it was  convenient to have [*x] do the expanding
> on x (including strings and ranges).  But if it's going to disappear,
> I think it should disappear consistently, so that * doesn't start
> having a totally different meaning depending on the operand's class.


I have found, and it seems it was not a common concern, that Range and <=3D=
>
and #succ
are too closly coupled, but that is OT,

I think it would be a nice opportunity to define the protocol for *, cleanl=
y
and giving the community the opportunity to express the fors and againsts
about potential implementations, well the good ol' ML stuff ;)

Personally I thought the #to_a protocol is perfect, but #to_a is not.

Cheers
Robert

David
>
> --
>                    David A. Black | dblack@wobblini.net
> Author of "Ruby for Rails"   [1] | Ruby/Rails training & consultancy [3]
> DABlog (DAB's Weblog)        [2] | Co-director, Ruby Central, Inc.   [4]
> [1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
> [2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org
>
>


--=20
Deux choses sont infinies : l'univers et la b=EAtise humaine ; en ce qui
concerne l'univers, je n'en ai pas acquis la certitude absolue.

- Albert Einstein

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