From: Logan Capaldo <logancapaldo@...>
Date: 2007-08-18T08:21:48+09:00
Subject: Re: method access to the enclosing method's locals?

On 8/17/07, David A. Black <dblack@rubypal.com> wrote:
> Hi --
>
> On Sat, 18 Aug 2007, Larry Kluger wrote:
>
> > Hi Everybody,
> >
> > Thank you for your help. To keep things dry, my main method uses one of
> > a number of methods, depending on the value of an argument. A hash is
> > used as a selector to choose the right child method.
> >
> > The child methods need some data, I wanted to see how they could gain
> > access to the locals of the calling method, ie, the main method.
> >
> > I appreciate the posts; I'll continue to pass the arguments, which is
> > working fine.
> >
> > Btw, I find it a bit lacking that the syntax checker allows me to
> > declare a method inside another method since such things don't exist.
> > (Per Olivier's helpful post.)
>
> I wouldn't say it doesn't exist; it's just that the lexically inner
> definition isn't scoped to the outer definition. This is relatively
> new (1.8.6, if I remember correctly), and made it easier to do
> something that was always possible anyway with class_eval +
> define_method.
>
ISTR def foo; def bar; end; end working in 1.8.4 and possibly even
1.8.2. (I didn't hop aboard the ruby train before 1.8.2 though). I
know I've used def foo; def bar before 1.8.6.
>
> David
>
> --
> * Books:
>    RAILS ROUTING (new! http://www.awprofessional.com/title/0321509242)
>    RUBY FOR RAILS (http://www.manning.com/black)
> * Ruby/Rails training
>      & consulting:  Ruby Power and Light, LLC (http://www.rubypal.com)
>
>