From: Robert Dober <robert.dober@...>
Date: 2008-11-01T20:58:19+09:00
Subject: Re: How to access to local variables in enclosing scopes?

> Not particularly convinced with that. If Python handles it with ease
> and apparently no runtime performance penalty, I don't see why Ruby
> can't do the same.
Of course Python pays a (small) penalty for the lookup.

Closures might be more expensive though because of the local copies. I
however do not know
how this is optimized in the different VM.
Cheers
Robert