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In this book it is my aim to guide you safely over the pitfalls and lead you through the choppy waters of Ruby’s syntax and class libraries. In the process, I’ll be exploring both the smooth, well-paved highways and the gnarlier, bumpy little byways of Ruby. By the end of the journey, you should be able to use Ruby safely and effectively without getting caught out by any unexpected hazards along the way.
The Book Of Ruby concentrates principally on version 1.8.x of the Ruby lan-guage. While a version 1.9 of Ruby has been released, Ruby 1.8 is still far more widely used. Ruby 1.9 may be regarded as a stepping stone towards Ruby 2.0. In most respects the syntax of Ruby 1.9 is close to that of Ruby 1.8 but you should be aware that there are some differences and complete compatibility is not guaranteed.
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