(Ebook PDF) Metaprogramming Ruby program like the Ruby pros 1st Edition by Paolo Perrotta 1934356476 9781934356470 Full chapter

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ISBN 10:         1934356476
ISBN 13: 978-1934356470
Author:          Paolo Perrotta

Everyone in the Ruby world seems to be talking about metaprogramming–how you can use it to remove duplication in your code and write elegant, beautiful programs. Now you can get in on the action as well.
Everyone in the Ruby world seems to be talking about metaprogramming–how you can use it to remove duplication in your code and write elegant, beautiful programs. Now you can get in on the action as well.

This book describes metaprogramming as an essential component of Ruby. Once you understand the principles of Ruby, including the object model, scopes, and eigenclasses, you’re on your way to applying metaprogramming both in your daily work and in your fun, after-hours projects.

Learning metaprogramming doesn’t have to be difficult or boring. By taking you on a Monday-through-Friday workweek adventure with a pair of programmers, Paolo Perrotta helps make mastering the art of metaprogramming both straightforward and entertaining.

The book is packed with:

• Pragmatic examples of metaprogramming in action, many of which come straight from popular libraries or frameworks, such as Rails.
• Programming challenges that let you experiment and play with some of the most fun, “out-there” metaprogramming concepts.
• Metaprogramming spells–34 practical recipes and idioms that you can study and apply right now, to write code that is sure to impress.

  Whether you’re a Ruby apprentice on the path to mastering the language or a Ruby wiz in search of new tips, this book is for you.

This book describes metaprogramming as an essential component of Ruby. Once you understand the principles of Ruby, including the object model, scopes, and eigenclasses, you’re on your way to applying metaprogramming both in your daily work and in your fun, after-hours projects.
Learning metaprogramming doesn’t have to be difficult or boring. By taking you on a Monday-through-Friday workweek adventure with a pair of programmers, Paolo Perrotta helps make mastering the art of metaprogramming both straightforward and entertaining.
The book is packed with:

• Pragmatic examples of metaprogramming in action, many of which come straight from popular libraries or frameworks, such as Rails.
• Programming challenges that let you experiment and play with some of the most fun, “out-there” metaprogramming concepts.
• Metaprogramming spells–34 practical recipes and idioms that you can study and apply right now, to write code that is sure to impress.

  Whether you’re a Ruby apprentice on the path to mastering the language or a Ruby wiz in search of new tips, this book is for you.

Metaprogramming Ruby program like the Ruby pros 1st Table of contents:

Part I: The Basics of Metaprogramming

1. The Object Model

   • Objects, Classes, and Modules
   • Method Lookup Path
   • Self

2. Methods and Messages

   • Methods as Messages
   • Method Missing and Dynamic Methods
   • Hook Methods

3. Blocks, Procs, and Lambdas

   • Using Blocks
   • Differences Between Procs and Lambdas
   • Closures and Scoping

4. Dynamic Methods

   • Defining Methods Dynamically
   • Using define_method

Part II: Advanced Metaprogramming Concepts
5. Open Classes and Monkey Patching

• Reopening Classes
• Risks of Monkey Patching

6. Singleton Classes and Eigenclasses

   • Singleton Methods
   • Eigenclasses Explained

7. Method Missing and Hooks

   • Customizing Behavior with method_missing
   • Using Hooks for Metaprogramming

8. DSLs (Domain-Specific Languages)

   • What is a DSL?
   • Building Internal DSLs in Ruby

Part III: Practical Applications
9. Debugging and Tracing

• Using Metaprogramming to Debug Code
• Tracing Method Calls

10. Metaprogramming for Frameworks

    • How Rails Uses Metaprogramming
    • Examples from ActiveRecord

11. Performance Considerations

    • Balancing Power and Efficiency
    • Tools for Measuring Performance

Part IV: Advanced Topics and Patterns
12. Reflection and Introspection
– Examining Classes, Methods, and Objects
– Using Reflection to Write Flexible Code

13. Metaprogramming Patterns

    • Common Idioms and Best Practices

14. Testing Metaprogrammed Code

    • Strategies for Testing Dynamic Code

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