From: Robert Klemme <bob.news@...>
Date: 2003-11-25T23:52:11+09:00
Subject: Re: raise unless RUBY_VERSION[%r/^\s*\d+\.\d+/o].to_f >= 1.8


"T. Onoma" <transami@runbox.com> schrieb im Newsbeitrag
news:200311250344.18704.transami@runbox.com...
> On Tuesday 25 November 2003 11:22 am, Robert Klemme wrote:
> > Nothing easier than that.  You can do
> >
> > module Kernel
> >   def Tuple(*a)
> >     a = a[0] if a.size == 1 and a[0].kind_of? Enumerable
> >     a = a.to_a unless a.kind_of? Array
> >     a.extend Comparable
> >   end
> > end
> >
> > t1 = Tuple( [1,2,3] )
> > t2 = Tuple( 1, 3, 4 )
> >
> > p t1 < t2
>
> Nice!
>
> Could string be added too? So that:
>
>   t = Tuple('1.8.1')
>   rv = Tuple(RUBY_VERSION)
>
> That would be really sweet. I'll have to add this to my stash of
libraries. :)

Exercise left for the reader. :-)

    robert