From: phlip <phlip2005@...>
Date: 2008-07-04T05:47:04+09:00
Subject: Re: How to duplicate elements in array?

>> a2 = a.dup + a.clone
> 
> That gives the same result as his example.

Indeed - it only cloned the top level of a, which is an array. The rest remained 
a linked-too object.

How to deep clone?

> Dunno if you can understand german.. at least the examples are in 
> english, maybe you understand what is going on despite being unable to 
> understand anything :-)
> 
> http://forum.ruby-portal.de/viewtopic.php?t=1214

Or try this savage hack:

   a2 = eval(a.inspect) + a

(-: