From: Bertram Scharpf <lists@...>
Date: 2007-10-19T20:01:48+09:00
Subject: Re: array help

Hi,

Am Freitag, 19. Okt 2007, 04:05:55 +0900 schrieb JeremyWoertink@gmail.com:
> I have [1,2,3] and I want to return [1,2] is there already a method
> that does this?
> 
> irb(main):001:0> [1,2,3]
> => [1, 2, 3]
> irb(main):002:0> [1,2,3].pop
> => 3
> irb(main):003:0> [1,2,3].everything_but_the_one_thing_that_pop_returns

Here's another one, just for entertainment:

  class Array ; def evth_but_pop ; slice 0, length-1 ; end ; end
  [1,2,3].evth_but_pop

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de