From: David Chelimsky <dchelimsky@...>
Date: 2007-01-20T02:21:22+09:00
Subject: Re: auto assign arguments?

On 1/19/07, Yukihiro Matsumoto <matz@ruby-lang.org> wrote:
> Hi,
>
> In message "Re: auto assign arguments?"
>     on Sat, 20 Jan 2007 01:58:06 +0900, "David Chelimsky" <dchelimsky@gmail.com> writes:
>
> |Would you mind providing a brief explanation of your objection? There
> |is no Reason for rejection with the old RCR
> |(http://oldrcrs.rubypal.com/rejected.html#rcr3) and it would be
> |helpful to me (and I'm sure others) to understand why you think this
> |is a bad idea.
>
> I thought (and I still think) it is a good idea to separate method
> argument and assignment in general.  It's convention supported by most
> languages, and mixing parameters and assignments gives me impression
> of toy-language.
>
> Besides that, I think formal arguments of a method (including their
> names) can be seen as part of class API.  Allowing instance variables
> as formal arguments seems like disclosing the internal issues.
>
> Finally, I admit that the code like this
>
>   def initialize(@length)
>   end
>
> is longer than
>
>   def initialize(length)
>     @length = length
>   end
>
> but I feel the intention of the latter code is far clearer than the
> former.

Very helpful. Thanks for the clarification.

Cheers,
David

>
>                                                         matz.
>
>