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Polished Ruby Programming

You're reading from Polished Ruby Programming Build better software with more intuitive, maintainable, scalable, and high-performance Ruby code

Product type Paperback

Published in Jul 2021

Publisher Packt

ISBN-13 9781801072724

Length 434 pages

Edition 1st Edition

Languages

Ruby

Concepts

Programming Language

Author (1):

Jeremy Evans

View More author details

Table of Contents (23) Chapters

Preface

1. Section 1: Fundamental Ruby Programming Principles

2. Chapter 1: Getting the Most out of Core Classes FREE CHAPTER

3. Chapter 2: Designing Useful Custom Classes

4. Chapter 3: Proper Variable Usage

5. Chapter 4: Methods and Their Arguments

6. Chapter 5: Handling Errors

7. Chapter 6: Formatting Code for Easy Reading

8. Section 2: Ruby Library Programming Principles

9. Chapter 7: Designing Your Library

10. Chapter 8: Designing for Extensibility

11. Chapter 9: Metaprogramming and When to Use It

12. Chapter 10: Designing Useful Domain-Specific Languages

13. Chapter 11: Testing to Ensure Your Code Works

14. Chapter 12: Handling Change

15. Chapter 13: Using Common Design Patterns

16. Chapter 14: Optimizing Your Library

17. Section 3: Ruby Web Programming Principles

18. Chapter 15: The Database Is Key

19. Chapter 16: Web Application Design Principles

20. Chapter 17: Robust Web Application Security

21. Assessments

22. Other Books You May Enjoy

Chapter 10

It simplifies configuration for both the user and the maintainer by centralizing all configuration aspects in a single block.
By checking the arity of the block, and if the block accepts an argument, yielding the DSL object. Otherwise, using instance_exec to evaluate the block in the context of the DSL object.
Implementing a DSL purely to avoid code verbosity is the most likely to cause problems and the least likely to add value.

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Authors (1)

Evans

Evans

Jeremy Evans is a Ruby committer who focuses on fixing bugs in Ruby, as well as improving the implementation of Ruby. He is the maintainer of many popular Ruby libraries, including the fastest web framework (Roda) and fastest database library (Sequel). His libraries are known not just for their performance, but also for their code quality, understandability, documentation, and how quickly any bugs found are fixed. For his contributions to Ruby and the Ruby community, he has received multiple awards, such as receiving the prestigious RubyPrize in 2020 and being chosen as a Ruby Hero in 2015. He has given presentations at over 20 Ruby conferences. In addition to working on Ruby, he is also a committer for the OpenBSD operating system.

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