Polished Ruby Programming

Table of Contents

Preface

Section 1: Fundamental Ruby Programming Principles

Chapter 1: Getting the Most out of Core Classes

Technical requirements

Learning when to use core classes

Best uses for true, false, and nil objects

Different numeric types for different needs

Understanding how symbols differ from strings

Learning how best to use arrays, hashes, and sets

Implementing an in-memory database

Working with Struct – one of the underappreciated core classes

Summary

Questions

Further reading

Chapter 2: Designing Useful Custom Classes

Technical requirements

Learning when to create a custom class

Handling trade-offs in SOLID design

The single-responsibility principle

The open-closed principle

The Liskov substitution principle

The interface segregation ...