From: Charles Oliver Nutter <charles.nutter@...>
Date: 2007-01-10T09:25:09+09:00
Subject: Re: [ ruby-Bugs-7680 ] a block argument within a block which argument has the same name leaks

Yukihiro Matsumoto wrote:
> Hi,
> 
> In message "Re: [ ruby-Bugs-7680 ] a block argument within a block which argument has the same name leaks"
>     on Tue, 9 Jan 2007 17:42:25 +0900, Charles Oliver Nutter <charles.nutter@sun.com> writes:
> 
> |Evan and I do not see eye-to-eye on this, but we agree on many other points:
> |
> |- no way to explicitly scope variables is confusing
> |- bugs arise from missing explicit scoping
> 
> For your information, Ruby2 has explicit scoping in blocks.
> 
>    lambda {|a,b; v1, v2| ...}
> 
> Variables a, b (parameters), v1 and v2 are local to the lambda block.

And otherwise 1.9 still uses the 1.8 lexical scoping semantics, yes?

-- 
Charles Oliver Nutter, JRuby Core Developer
Blogging on Ruby and Java @ headius.blogspot.com
Help spec out Ruby today! @ www.headius.com/rubyspec
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