From: "Elf M. Sternberg" <elf@...>
Date: 2005-12-09T03:47:37+09:00
Subject: Re: They say I write Ruby like Perl

Patrick Gundlach <clr10.10.randomuser@spamgourmet.com> writes:

> [...]
> 
> >  > @parent = nil
> >  > @prevsibling = nil
> >  > @nextsibling = nil
> >  > @firstchild = nil
> >  > @lastchild = nil
> > Variables are created when they're first referenced, and are `nil' by
> > default, so these lines make no difference.
> 
> mostly right, but here is one exception:
> 
> #!/opt/ruby/1.8/bin/ruby -w
> 
> if @foo==:bar
>   puts "hello"
> end
> 
> gives a warning.

        So the wording is "Variables are created when they're first
assigned", as in Python or Perl?

                Elf