From: Joshua Ballanco <jballanc@...>
Date: 2011-10-27T10:05:21+09:00
Subject: [ruby-core:40428] Re: [ruby-trunk - Feature #5474][Assigned] keyword argument

--20cf300e50bbcd905204b03d5d94
Content-Type: text/plain; charset=UTF-8

On Wed, Oct 26, 2011 at 8:30 PM, Yukihiro Matsumoto <matz@ruby-lang.org>wrote:

> Hi,
>
> In message "Re: [ruby-core:40418] Re: [ruby-trunk - Feature
> #5474][Assigned] keyword argument"
>     on Thu, 27 Oct 2011 04:03:52 +0900, Joshua Ballanco <
> jballanc@gmail.com> writes:
>
> |I think the point is that not every argument necessarily has a reasonable
> |default. Imagine, for example, if we were to rewrite File.open to take
> |keyword arguments:
> |
> |    class File
> |      def self.open(filename:, mode: 'r')
> |      ...
>
> Yes, there could be a language with that kind of design.  But Ruby
> will not have mandatory keyword arguments.  It is the design choice I
> made already.  Every keyword argument will be optional in Ruby.
>

Thank you for the clarification. I am slowly understanding the direction and
motivation behind the keyword arguments feature.

--20cf300e50bbcd905204b03d5d94
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div class=3D"gmail_quote">On Wed, Oct 26, 2011 at 8:30 PM, Yukihiro Matsum=
oto <span dir=3D"ltr">&lt;<a href=3D"mailto:matz@ruby-lang.org">matz@ruby-l=
ang.org</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D=
"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi,<br>
<br>
In message &quot;Re: [ruby-core:40418] Re: [ruby-trunk - Feature #5474][Ass=
igned] keyword argument&quot;<br>
<div class=3D"im"> =C2=A0 =C2=A0on Thu, 27 Oct 2011 04:03:52 +0900, Joshua =
Ballanco &lt;<a href=3D"mailto:jballanc@gmail.com">jballanc@gmail.com</a>&g=
t; writes:<br>
<br>
|I think the point is that not every argument necessarily has a reasonable<=
br>
|default. Imagine, for example, if we were to rewrite File.open to take<br>
|keyword arguments:<br>
|<br>
| =C2=A0 =C2=A0class File<br>
| =C2=A0 =C2=A0 =C2=A0def self.open(filename:, mode: &#39;r&#39;)<br>
| =C2=A0 =C2=A0 =C2=A0...<br>
<br>
</div>Yes, there could be a language with that kind of design. =C2=A0But Ru=
by<br>
will not have mandatory keyword arguments. =C2=A0It is the design choice I<=
br>
made already. =C2=A0Every keyword argument will be optional in Ruby.<br></b=
lockquote><div><br></div><div>Thank you for the clarification. I am slowly =
understanding the direction and motivation behind the keyword arguments fea=
ture.=C2=A0</div>
</div>

--20cf300e50bbcd905204b03d5d94--