From: Charles Oliver Nutter <charles.nutter@...>
Date: 2007-12-23T07:11:24+09:00
Subject: Re: Block-local variables - obsolete?

Only block parameters are now always local to the block; variables  
from enclosing scopes are still visible. The ; syntax, then, is to  
specify certain names should be forced local, rather than defering to  
the outer scope.

- Charlie

On Dec 22, 2007, at 15:39, murphy <murphy@rubychan.de> wrote:

> hello!
>
> excuse me, but what was the purpose of the "|vars; local|" block  
> syntax
> again?
>
> as I understand it, block variables in Ruby 1.9 are now always local:
>
>  foo = bar = :outer
>
>  [foo, bar]  # => [:outer, :outer]
>
>  1.times do |foo; bar|
>    [foo, bar]  # => [0, nil]
>    foo = bar = :inner
>  end
>
>  [foo, bar]  # => [:outer, :outer]
>
> making the ";"-syntax obsolete (it can be replaced with "," without
> changing the behavior of the code.)
>
> [murphy]
>