From: Phlip <phlip2005@...>
Date: 2009-03-08T10:08:21+09:00
Subject: Re: how to un-ragged a 2D array?

>> needs.map{|x| [x,x].flatten[0..1] }

> needs.map{|e| ([*e] * 2).first(2) }

Look, ma! No .flatten!

That generally might flatten things that deserve to be shapely... (or ragged;).