IronRuby places Ruby as a first-class .NET programming language, with full access to all the features, components, and frameworks available from C# and VB.NET. The new Dynamic Language Runtime (DLR) bridges the gap between the IronRuby code and the Common Language Runtime (CLR)-the .NET virtual machine-while preserving the "duck typing," metaprogramming, code generation, and other dynamic language features that draw developers to Ruby. IronRuby in Action offers a comprehensive, hands-on introduction to this exciting new tool. Designed primarily for .NET developers who want to use Ruby, this book quickly introduces the Ruby language and walks you through the core concepts of programming in a dynamic language. Through numerous engaging examples, it shows you how to leverage WPF, Silverlight, and ASP.NET with the Ruby language, and how to use Rails and other Ruby libraries on the .NET framework. You will also learn how to use the Rails ActiveRecord component for ORM and the Ruby's RSpec for testing your code. Whether you're a Ruby user exploring .NET or a .NET developer exploring the world of dynamic languages, IronRuby in Action will get you started quickly and show you how to be productive with this powerful new tool.