From: Gavin Sinclair <gsinclair@...>
Date: 2002-09-24T12:14:10+09:00
Subject: Re: Larry Wall's comments on Ruby


----- Original Message -----
From: "Stefan Scholl" <stesch@no-spoon.de>


> "Gavin Sinclair" <gsinclair@soyabean.com.au> writes:
>
> > One of the coolest (not highest-value, just coolest) things about Ruby,
IMO, is
> > that "for a in x do ... end" is *nothing more than syntax sugar* for
"x.each do
> > |a| ... end".  This is supreme orthoganality.  Being able to apply "for
..." to
> > your own classes is wonderful.
>
> It's a bit more than syntax sugar. Watch the scope of the local
> variables!

What do you mean?  If "a" is defined, then "for a in x" and "x.each do |a|"
both clobber the previously-defined "a".  I don't see the difference for
variables inside the block either.

Gavin