From: Tanner Burson <tanner.burson@...>
Date: 2006-03-09T01:49:04+09:00
Subject: Re: Having a block executed in the context of an instance

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On 3/8/06, Mike Austin <noone@nowhere.com> wrote:
>
> rmagick@gmail.com wrote:
> > dblack@wobblini.net wrote:
> >
> >> I have to say, I've been wondering for many years... is self.x =3D 1
> >> really *that* bad?  It just seems like such a  minor thing to me.  I
> >> certainly wouldn't want to see new punctuation introduced just to
> >> avoid it.
> >
> > +1
>
> It may be a minor syntax thing, but I think it creates unnecessary
> ambiguity.
> If there is a method called caption=3D(), I expect it to use that.  I don=
't
> write
> 'self' anywhere else in Ruby, so it just seems odd.  Plus is helps reduce
> hard
> to debug locals creation by misspellings.
>
> class Button
>    attr :caption, true
>
>    def initialize(*args, &block)
>      instance_eval &block
>    end
> end
>
> button =3D Button.new do
>    var :x
>    caption =3D 'Click Me'
> end



If you don't mind dropping the equals sign it's a pretty easy fix.  At that
point you could even do some method_missing magic and have it check for
existing attributes and use those.


There is already 'attr' for classes, why not 'local' or 'var' for
> methods?  One
> issue is that you can't assign and declare on the same line.  It could be
> done
> with a hash but that might look funny?
>
> Take this all with a grain of salt.  I'm always looking for different way=
s
> of
> doing things.  I.e. to find good ideas you have to find bad ideas ;)


And as david said, really the lack of a receiver is the exception not the
rule.

Mike
>
>


--
=3D=3D=3DTanner Burson=3D=3D=3D
tanner.burson@gmail.com
http://tannerburson.com   <---Might even work one day...

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