[erlang-questions] Matrix rotator

Richard O'Keefe ok@REDACTED
Mon Jun 15 06:02:34 CEST 2009

On 15 Jun 2009, at 7:29 am, Tony Arcieri wrote:

> I saw a fairly interesting problem posted on this week's Ruby Quiz,  
> a matrix
> rotator:

Given Ruby's connextions with Smalltalk, this was probably taken
from whichever of the "coloured books" talks about BitBlt.

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