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Preface; Acknowledgments; Conventions Used in This Book; Using Code Examples; How to Contact Us; Safari® Enabled;
Chapter 1: Introduction;
1.1 A Tour of Ruby;
1.2 Try Ruby;
1.3 About This Book;
1.4 A Sudoku Solver in Ruby;
Chapter 2: The Structure and Execution of Ruby Programs;
2.1 Lexical Structure;
2.2 Syntactic Structure;
2.3 File Structure;
2.4 Program Encoding;
2.5 Program Execution;
Chapter 3: Datatypes and Objects;
3.1 Numbers;
3.2 Text;
3.3 Arrays;
3.4 Hashes;
3.5 Ranges;
3.6 Symbols;
3.7 True, False, and Nil;
3.8 Objects;
Chapter 4: Expressions and Operators;
4.1 Literals and Keyword Literals;
4.2 Variable References;
4.3 Constant References;
4.4 Method Invocations;
4.5 Assignments;
4.6 Operators;
Chapter 5: Statements and Control Structures;
5.1 Conditionals;
5.2 Loops;
5.3 Iterators and Enumerable Objects;
5.4 Blocks;
5.5 Altering Control Flow;
5.6 Exceptions and Exception Handling;
5.7 BEGIN and END;
5.8 Threads, Fibers, and Continuations;
Chapter 6: Methods, Procs, Lambdas, and Closures;
6.1 Defining Simple Methods;
6.2 Method Names;
6.3 Methods and Parentheses;
6.4 Method Arguments;
6.5 Procs and Lambdas;
6.6 Closures;
6.7 Method Objects;
6.8 Functional Programming;
Chapter 7: Classes and Modules;
7.1 Defining a Simple Class;
7.2 Method Visibility: Public, Protected, Private;
7.3 Subclassing and Inheritance;
7.4 Object Creation and Initialization;
7.5 Modules;
7.6 Loading and Requiring Modules;
7.7 Singleton Methods and the Eigenclass;
7.8 Method Lookup;
7.9 Constant Lookup;
Chapter 8: Reflection and Metaprogramming;
8.1 Types, Classes, and Modules;
8.2 Evaluating Strings and Blocks;
8.3 Variables and Constants;
8.4 Methods;
8.5 Hooks;
8.6 Tracing;
8.7 ObjectSpace and GC;
8.8 Custom Control Structures;
8.9 Missing Methods and Missing Constants;
8.10 Dynamically Creating Methods;
8.11 Alias Chaining;
8.12 Domain-Specific Languages;
Chapter 9: The Ruby Platform;
9.1 Strings;
9.2 Regular Expressions;
9.3 Numbers and Math;
9.4 Dates and Times;
9.5 Collections;
9.6 Files and Directories;
9.7 Input/Output;
9.8 Networking;
9.9 Threads and Concurrency;
Chapter 10: The Ruby Environment;
10.1 Invoking the Ruby Interpreter;
10.2 The Top-Level Environment;
10.3 Practical Extraction and Reporting Shortcuts;
10.4 Calling the OS;
10.5 Security;Colophon;