Preface
Welcome to the second edition of The Well-Grounded Rubyist. In the five years since the first edition came out, the Ruby language has changed and evolved—most notably with the release, on Ruby’s twentieth birthday (February 24, 2013), of Ruby 2.0. At the end of 2013—Christmas, to be precise—Ruby 2.1 was released; that’s the version covered in this edition.
The Well-Grounded Rubyist has been very well-received. It seemed to hit a sweet spot for a lot of readers, including many who were completely new to Ruby, as well as many who had done some Ruby already but wanted to make a thorough pass through the language and make sure they really understood it. I’ve been particularly pleased by those comments that describe the experience of reading ...
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