Summary

The 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.

About the Technology

Designed 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 Book

In

The Well-Grounded Rubyist, Third Edition

, expert authors David A. Black and Joseph Leo III 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 Inside

Basic Ruby syntax

Running Ruby extensions

FP concepts like currying, side-effect-free code, and recursion

Ruby 2.5 updates

About the Reader

For readers with beginner-level programming skills, as well as more advanced programmers interested in Ruby and experienced Rubyists looking to review the foundations of their practice.

About the Authors

David 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 Contents

PART 1 RUBY FOUNDATIONS

Bootstrapping your Ruby literacy

Objects, methods, and local variables

Organizing objects with classes

Modules and program organization

The default object (self), scope, and visibility

Control-flow techniques

PART 2 BUILT-IN CLASSES AND MODULES

Built-in essentials

Strings, symbols, and other scalar objects

Collection and container objects

Collections central: Enumerable and Enumerator

Regular expressions and regexp-based string operations

File and I/O operations

PART 3 RUBY DYNAMICS

Object individuation

Callable and runnable objects

Callbacks, hooks, and runtime introspection

Ruby and functional programming