From: Robert Klemme <bob.news@...>
Date: 2004-10-04T19:39:53+09:00
Subject: Re: how to escape variable expansion in a block


"Yukihiro Matsumoto" <matz@ruby-lang.org> schrieb im Newsbeitrag
news:1096884099.590405.15952.nullmailer@x31.priv.netlab.jp...
> Hi,
>
> In message "Re: how to escape variable expansion in a block"
>     on Mon, 4 Oct 2004 05:33:09 +0900, "Joachim Wuttke" <wuttke1@web.de>
writes:
>
> |It works, but the introduction of the auxiliary
> |variable �this� is not very elegant. Is there another
> |way to tell the TkButton constructor that  �buttonPressed�
> |is a member of the class it was called from ?
>
> Currently, there's no way to avoid.  If TkObject had parent attribute,
> it could be:
>
> |        TkButton.new( frame ) {
> |            text 'press here'
> |            command proc { parent.buttonPressed }
> |        }
>
> Just a possibility.

What about

       TkButton.new( frame ) {
           text 'press here'
           command proc { self.buttonPressed }
       }

?

    robert