- The Ruby Programming Language
- A Note Regarding Supplemental Files
- Preface
- 1. Introduction
- 2. The Structure and Execution of Ruby Programs
- 3. Datatypes and Objects
- Numbers
- Text
- Arrays
- Hashes
- Ranges
- Symbols
- True, False, and Nil
- Objects
- 4. Expressions and Operators
- Literals and Keyword Literals
- Variable References
- Constant References
- Method Invocations
- Assignments
- Operators
- Unary + and –
- Exponentiation: **
- Arithmetic: +, –, *, /, and %
- Shift and Append: << and >>
- Complement, Union, Intersection: ~, &, |, and ^
- Comparison: <, <=, >, >=, and <=>
- Equality: ==, !=, =~, !~, and ===
- Boolean Operators: &&, ||, !, and, or, not
- Ranges and Flip-Flops: .. and ...
- Conditional: ?:
- Assignment Operators
- The defined? Operator
- Statement Modifiers
- Nonoperators
- 5. Statements and Control Structures
- Conditionals
- Loops
- Iterators and Enumerable Objects
- Blocks
- Altering Control Flow
- Exceptions and Exception Handling
- BEGIN and END
- Threads, Fibers, and Continuations
- 6. Methods, Procs, Lambdas, and Closures
- 7. Classes and Modules
- Defining a Simple Class
- Creating the Class
- Instantiating a Point
- Initializing a Point
- Defining a to_s Method
- Accessors and Attributes
- Defining Operators
- Array and Hash Access with [ ]
- Enumerating Coordinates
- Point Equality
- Ordering Points
- A Mutable Point
- Quick and Easy Mutable Classes
- A Class Method
- Constants
- Class Variables
- Class Instance Variables
- Method Visibility: Public, Protected, Private
- Subclassing and Inheritance
- Object Creation and Initialization
- Modules
- Loading and Requiring Modules
- Singleton Methods and the Eigenclass
- Method Lookup
- Constant Lookup
- Defining a Simple Class
- 8. Reflection and Metaprogramming
- 9. The Ruby Platform
- Strings
- Regular Expressions
- Numbers and Math
- Dates and Times
- Collections
- Files and Directories
- Input/Output
- Networking
- Threads and Concurrency
- 10. The Ruby Environment
- Index
- About the Authors
- Colophon
- Copyright
This book is an updated and expanded version of Ruby in a Nutshell (O’Reilly) by Yukihiro Matsumoto, who is better known as Matz. It is loosely modeled after the classic The C Programming Language (Prentice Hall) by Brian Kernighan and Dennis Ritchie, and aims to document the Ruby language comprehensively but without the formality of a language specification. It is written for experienced programmers who are new to Ruby, and for current Ruby programmers who want to take their understanding and mastery of the language to the next level.
You’ll find a guide to the structure and organization of this book in Chapter 1.
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