From: Robert Klemme <bob.news@...>
Date: 2004-01-16T17:36:45+09:00
Subject: Re: Getting the tail of a list?


"Dave Brown" <dagbrown@LART.ca> schrieb im Newsbeitrag
news:cio6ub.3h9.ln@lart.ca...
> In article <4005AC05.90007@hypermetrics.com>,
> Hal Fulton  <hal9000@hypermetrics.com> wrote:
> : Dave Brown wrote:
> : > In article <20040114130426.GA15734@mlabdial.hit.bme.hu>,
> : > KONTRA Gergely  <kgergely@mlabdial.hit.bme.hu> wrote:
> : > : On 0113, Robert Klemme wrote:
> : > : > > Whups, never mind, that doesn't work. :)
> : > : >
> : > : > But this does:
> : > : >
> : > : > irb(main):001:0> a=[1,2,3,4]
> : > : > => [1, 2, 3, 4]
> : > : > irb(main):002:0> a[1,a.length]
> : > : > => [2, 3, 4]
> : > : >
> : > : > The second parameter is the length.  Simply using a.length is
sufficient
> : > : > since then all elements to the end are used.
> : > :
> : > : I _would like to_ write a[2,Infinity], or something like that...
> : >
> : > a[1,-1]
> :
> : :)  "Error: Cycle detected in ruby-talk thread"
> :
> : Read again. Robert's point was that this doesn't work. The second
> : parameter is a length, and a length of -1 gives you nil.
>
> D'oh.
>
> That's what I get for not firing up irb.
>
> a[1..-1] is what I actually meant.
>
> --Dave

Error: Cycle detected in ruby-talk thread cycle.  Bailing out.

a[1..-1] was proposed already.  :-))

Nevermind, 't was fun.

    robert