From: "JeremyWoertink@..." <JeremyWoertink@...>
Date: 2007-10-19T04:20:59+09:00
Subject: Re: array help

awesome. So what does the 0..-2 do? how does that work exactly?


Thanks for the help

~Jeremy

On Oct 18, 12:17 pm, "Thomas Adam" <thomas.ada...@gmail.com> wrote:
> Hi --
>
> On 18/10/2007, JeremyWoert...@gmail.com <JeremyWoert...@gmail.com> wrote:
>
> > 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
>
> [1,2,3][0..-2]
> #=> [1, 2]
>
> -- Thomas Adam