From: dblack@...
Date: 2006-03-21T22:16:32+09:00
Subject: Re: iterate chars in a string

Hi --

On Tue, 21 Mar 2006, Trans wrote:

> <i>Modifying String#to_a to return an array of characters has been
> brought
> up before (ruby-talk:148588 and following).  I don't think Matz likes
> the idea, though.</i>
>
> It should be pointed out that there really is a flaw in the way Ruby
> handles this. #each takes a parameter which defaults to the global
> variable $/ to determine the actual split to perform. Not only can't
> enumerable handle the parameter, but worse relying on a globabl
> varaible like that is dangerous! To be safe one would have to set the
> global everytime it is used, or aways give the parameter. Otherwise
> another lib might change it on you. The upshot of all this is that we
> are much less inclined to even bother with String#each, which is too
> bad.

Another lib might change *anything* on you :-)  We all have to trust
each other not to do that.


David

-- 
David A. Black (dblack@wobblini.net)
Ruby Power and Light, LLC (http://www.rubypowerandlight.com)

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