From: Lyndon Samson <lyndon.samson@...>
Date: 2005-11-23T12:07:44+09:00
Subject: Re: what is the ruby way to do this?

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It would be nice if there was a wiki page somewhere of these Uberdioms...



On 11/23/05, Rob Rypka <rascal1182@gmail.com> wrote:
>
> On 11/22/05, David A. Black <dblack@wobblini.net> wrote:
> > On Wed, 23 Nov 2005, Jeff Wood wrote:
> >
> > > I would do
> > >
> > > a =3D Hash.new { || [] }
> >
> > I believe that's the first empty || I've ever seen.  It's awfully
> > confusing (my first reaction was: *what* or an empty array? :-)  I'd
> > strongly encourage you to eschew that construct.  It's deservedly
> > unheard of :-)
>
> Perhaps I'm missing something.  Is there something wrong with the
> following?
>
> a =3D Hash.new { [] }
>
> irb tells me that it gets a new array each time.
>
> --
> Rob  (votes with David on this one - bleah)
>
>


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