From: botp <botpena@...>
Date: 2009-07-29T21:47:13+09:00
Subject: Re: previous value in array block

On Wed, Jul 29, 2009 at 8:11 PM, Robert Dober<robert.dober@gmail.com> wrote:
> or with Tom's map arity trick implemented
> ( [0] + a ).map{ | x, y | y - x }

very cool.
thanks for the tip.

kind regards -botp