From: Xavier Noria <fxn@...>
Date: 2008-09-22T18:29:48+09:00
Subject: Re: for or each?

On Mon, Sep 22, 2008 at 10:26 AM, Sylvain Joyeux
<sylvain.joyeux@polytechnique.org> wrote:

> Nope. each { } needs one new scope for each iteration while "for ... in"
> explicitely uses the parent scope... In the end, you create with #each
> as many objects as there are in your collection - which can be a huge
> performance hit in some cases.

In what sense does #each create objects? Assuming a block with just
one parameter, you mean there's a new reference to existing objects
per iteration? May that impact that much GC?