“Book Descriptions:SummaryThe Well-Grounded Rubyist, Third Edition is a beautifully written tutorial that begins with your first Ruby program and takes you all the way to sophisticated topics like reflection, threading, and recursion. Ruby masters David A. Black and Joe Leo distill their years of knowledge for you, concentrating on the language and its uses so you can use Ruby in any way you choose. Updated for Ruby 2.5.Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyDesigned for developer productivity, Ruby is an easy-to-learn dynamic language perfect for creating virtually any kind of software. Its famously friendly development community, countless libraries, and amazing tools, like the Rails framework, have established it as the language of choice for high-profile companies, including GitHub, SlideShare, and Shopify. The future is bright for the well-grounded Rubyist!About the BookIn The Well-Grounded Rubyist, Third Edition, expert authors David A. Black and Joseph Leo deliver Ruby mastery in an easy-to-read, casual style. You'll lock in core principles as you write your first Ruby programs. Then, you'll progressively build up to topics like reflection, threading, and recursion, cementing your knowledge with high-value exercises to practice your skills along the way.What's InsideBasic Ruby syntaxRunning Ruby extensionsFP concepts like currying, side-effect-free code, and recursionRuby 2.5 updatesAbout the ReaderFor readers with beginner-level programming skills.About the AuthorsDavid A. Black is an internationally known Ruby developer and author, and a cofounder of Ruby Central. Ruby teacher and advocate Joseph Leo III is the founder of Def Method and lead organizer of the Gotham Ruby Conference. Table of ContentsPART 1 RUBY FOUNDATIONSBootstrapping your Ruby literacyObjects, methods, and local variablesOrganizing objects with classesModules and program organizationThe default object (self), scope, and visibilityControl-flow techniquesPART 2 BUILT-IN CLASSES AND MODULESBuilt-in essentialsStrings, symbols, and other scalar objectsCollection and container objectsCollections Enumerable and EnumeratorRegular expressions and regexp-based string operationsFile and I/O operationsPART 3 RUBY DYNAMICSObject individuationCallable and runnable objectsCallbacks, hooks, and runtime introspectionRuby and functional programming” DRIVE