As a Ruby programmer, you already know how much fun it is. Now see how to unleash its power, digging under the surface and exploring the language's most advanced features: a collection of techniques and tricks known as metaprogramming. Once the domain of expert Rubyists, metaprogramming is now accessible to programmers of all levels--from beginner to expert. Metaprogramming Ruby explains metaprogramming concepts in a down-to-earth style and arms you with a practical toolbox that will help you write great Ruby code.

Everyone in the Ruby world seems to be talking about metaprogramming--how you can use it to remove duplication in your code and write elegant, beautiful programs. Now you can get in on the action as well.

This book describes metaprogramming as an essential component of Ruby. Once you understand the principles of Ruby, including the object model, scopes, and eigenclasses, you're on your way to applying metaprogramming both in your daily work and in your fun, after-hours projects.

Learning metaprogramming doesn't have to be difficult or boring. By taking you on a Monday-through-Friday workweek adventure with a pair of programmers, Paolo Perrotta helps make mastering the art of metaprogramming both straightforward and entertaining.

The book is packed with:

* Pragmatic examples of metaprogramming in action, many of which come straight from popular libraries or frameworks, such as Rails. * Programming challenges that let you experiment and play with some of the most fun, "out-there" metaprogramming concepts. * Metaprogramming spells--34 practical recipes and idioms that you can study and apply right now, to write code that is sure to impress.

Whether you're a Ruby apprentice on the path to mastering the language or a Ruby wiz in search of new tips, this book is for you.