From: SonOfLilit <sonoflilit@...>
Date: 2007-07-16T21:26:09+09:00
Subject: Re: clean nice way (hash)

On 7/16/07, Stefan Rusterholz <apeiros@gmx.net> wrote:
> SonOfLilit wrote:
> >> > > a.each {|key,value| a[key] = {'name' => value}}
> >> >
> >> > Are you allowed to do this?
> >>
> >> Why not? Seem to work here.
> >>
> >
> > I was taught not to modify a structure I'm #each ing on...
> >
> > Does this not apply when you only modify substructures of it?
> >
> >
> > Aur
>
> I think that only applies for insert/delete. As e.g. with an array it
> may happen that elements are left out if you delete them wile iterating,
> or that you iterate over a newly create value (which you might not want
> to)
>
> Regards
> Stefan
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

You just made me ponder a cool thing:

N = 8
(a = [0, 1]).each_index{|n, i| a << a[i-1] + a[i] if i > 0 and i < N

Of course it probably wouldn't work, but... Cool

Aur