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Re: Proposal: Array#walker

by Patrick Mahoney-2 :: Rate this Message:

On Wed, Nov 14, 2007 at 09:23:04PM +0900, Trans wrote:

> On Nov 13, 10:51 pm, Trans <transf...@...> 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

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