On Wed, Nov 14, 2007 at 09:23:04PM +0900, Trans wrote:
> On Nov 13, 10:51 pm, Trans <transf... / gmail.com> wrote:
> 
> > However, a few times I've wanted a nicer way to split the array at an
> > index. Something like:
> >
> >   a.each_with_index do |el, i|
> >     pre, post = *a.crack(i)
> >     ...
> >   end
> 
> Actually, can anyone recommend a better name than #crack? --or a way
> to already do this?

Maybe Array#partition_at to match Enumarable#partition ?

class Array
  def partition_at(i)
    [ self[0..i], self[(i+1)..length] ]
  end
end