From: Gene Tani <gene.tani@...>
Date: 2005-08-29T12:31:23+09:00
Subject: Re: how to unflatten a flat-array


require 'enumerator'
accum=[]
(1..10).each_slice(3) { |sl| accum << sl}
p accum

SHIGETOMI, Takuhiko wrote:
> greeting James. what an intriguing way!
>
> irb(main):001:0> arr = [ 1, 2, 3, 4, 5, 6]
> => [1, 2, 3, 4, 5, 6]
> irb(main):011:0> arr << nil unless arr.size % 2 == 0
> => nil
> irb(main):012:0> Hash[*arr].to_a.sort
> => [[1, 2], [3, 4], [5, 6]]
>
> for me, as a beginner of ruby,
> this is a fascinating black magic.
> i will study hard to let it be white. :-)
>
> --
> <name species-designation="5618" default-lang="ja_JP">SHIGETOMI,Takuhiko</name>
> <contact medium="email">tshiget1@gw.nsw.co.jp</contact>
> <location federational-alias="/galaxy/alpha-quadrant/sector-001/earth/">
>   /void/3d/universe/milkyway-galaxy/orion's-arm/sol-solar-system/3rd-planet/fareast/jp/tky/
> </location>
> <hail>resistance is futile.</hail>