From: Miguel Regedor <miguelregedor@...>
Date: 2009-03-15T21:32:43+09:00
Subject: Re: How do arrays in Ruby work?

On Mar 14, 2:12 pm, Peter Wu <pwu....@gmail.com> wrote:
> As in how they are organized behind the scenes.
>
> For example, if I say
>
> arr = [1, 2, 3, 4]
> arr.slice[1]
>
> Is it going to have to physically relocate everything after 2 in memory?
> Would using a linked list be more efficient if a lot of elements are
> going to be removed and inserted?
> --
> Posted viahttp://www.ruby-forum.com/.

if you have the array a = [1,2,3,4,5]

b = a.slice!(0,3)
will end up with a == [4,5] and b == [1,2,3]

b = a.slice(0,3)
will end up with a == [1,2,3,4,5] and b == [1,2,3]

for the last one you can also use b = a[0..2] , you will get the same
result