Saturday, January 9, 2010

Bill is back, in article form!

Those of you who read the beta version of Metaprogramming Ruby already know Bill, the grumpy old Ruby mentor. If you didn't get enough of him yet, here's a treat for you.

The January 2010 issue of PragPub magazine contains a short article where Bill lectures you about the ins and outs of Ruby's nil value. In this article, I also introduce a couple of spells that fell on the cutting room floor as I struggled to make the book shorter: the Null Object spell and the Black Hole spell.

You can download PragPub for free (in formats suited for Kindles, iPhones and plain old-fashioned computers). Enjoy!

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