From: Nobuyoshi Nakada <nobu@...>
Date: 2007-11-18T03:35:37+09:00
Subject: Re: Hash -> Struct

Hi,

At Sun, 18 Nov 2007 02:54:12 +0900,
Robert Dober wrote in [ruby-talk:279478]:
> On Nov 17, 2007 5:47 PM, Trans <transfire@gmail.com> wrote:
> > Given that a hash is not ordered, is this reliable?
> >
> >   h = { :a=>1, :b=>2 }
> >   Struct.new(*h.keys).new(*h.values)
> >   => #<struct #<Class:0xb7aead00> a=1, b=2>
> by definition not, I would never bet on it,

Hash iterates in the definite order until it's modified, not at
random each time.  It's just hard to predict.  So it should
work if it's not modified between getting keys and values.

-- 
Nobu Nakada