"An under-the-hood look at how the Ruby programming language runs code. Extensively illustrated with complete explanations and hands-on experiments. Covers Ruby 2.x"-- "Ruby is a powerful programming language with a focus on simplicity, but beneath its elegant syntax, the language is performing countless unseen tasks. Ruby Under a Microscope gives developers an inside, hands-on look at Ruby's core, using simple diagrams coupled with clear explanations. Author Pat Shaughnessy takes a scientific approach, laying out a series of experiments with Ruby code to demonstrate how things work. Shaughnessy's lucid illustrations will serve as a guide for developers writing Ruby programs. Developers of all stripes will find this a fascinating behind the scenes look at how programming languages work"--