From: Vasyl Smirnov <vasyl.smirnov@...>
Date: 2007-12-07T22:30:28+09:00
Subject: Re: Dynamic local vars



On Dec 7, 3:06 pm, Tim Hunter <TimHun...@nc.rr.com> wrote:
> Vasyl Smirnov wrote:
> > Hi,
>
> > I wonder if there is any way to create local variables dynamically,
> > for example, given
>
> > def foo
> >   bar
> >   puts x, y
> > end
>
> > is it possible for bar to somehow create and initialize x and y?
> > Binding doesn't seem to be modifiable..
>
> > Or am I asking too much? :)
>
> Hmmm...local variables are called local because they're local to the
> method that uses them. A variable that's shared between two methods
> isn't local.
>
> If foo and bar are both methods in the same class, use instance
> variables. If they're not both in the same class, use global variables.
>

Yes, instance vars are an option. Though what would be better is
something like a C-style macro,
which would just define and assign these local vars inside foo. I
thought maybe there's a way to do it in Ruby.

MonkeeSage and Tim, thank you both for your replies!