From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-05-26T00:47:11+09:00
Subject: Re: ruby-dev summary 23459-23562

On Tue, May 25, 2004 at 11:55:00PM +0900, David Alan Black wrote:
> >   * The name space of local variables and one of block parameters are
> >     exclusive.  e.g.
> > 
> >       i = 1
> >       iter {|i|   # causes error
> >         ....
> >       }
> 
> I thought the whole problem was that people wanted to be able to use
> the same names in blocks without a clash.  The argument was always:

See
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/52462,
regarding shadowing.

> what if you cut-and-paste a block from somewhere, or change a local
> variable name accidentally to the same as a block variable name?  (My
> answer was always: there's no problem, so let's leave it the way it is
> now, but that isn't going to happen :-)

A silent error is much worse than a parse-time one.

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