From: Hal Fulton <hal9000@...>
Date: 2004-01-15T05:55:59+09:00
Subject: Re: Getting the tail of a list?

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.


Hal