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Comprehensive Ruby Programming

You're reading from   Comprehensive Ruby Programming From beginner to confident programmer

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781787280649
Length 330 pages
Edition 1st Edition
Languages
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Author (1):
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Jordan Hudgens Jordan Hudgens
Author Profile Icon Jordan Hudgens
Jordan Hudgens
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Table of Contents (20) Chapters Close

Preface 1. Introduction to the Ruby Programming Language FREE CHAPTER 2. Ruby Variables 3. Ruby Strings 4. Working with Numbers in Ruby 5. Ruby Methods 6. Ruby Iterators and Loops 7. Ruby Collections 8. Ruby Conditionals 9. Object-Oriented Programming in Ruby 10. Working with the Filesystem in Ruby 11. Error Handling in Ruby 12. Regular Expressions in Ruby 13. Searching with grep in Ruby 14. Ruby Gems 15. Ruby Metaprogramming 16. Ruby Web Frameworks 17. Working with APIs in Ruby 18. Ruby Algorithms 19. Machine Learning

Guide to method arguments in Ruby

In this section, we will examine the various ways to pass arguments to methods in Ruby programs, including the following:

  • The argument syntax
  • Named arguments
  • Default argument values

What are method arguments?

Before we can get into the code examples, let's first walk through what method arguments are. Let's begin with a real-world example:

Imagine that you have a machine that makes baseball bats. The workflow for the bat making process would be as follows:

  1. The raw wood is placed in the machine.
  2. From there, the machine takes the wood, cuts, and polishes it.
  3. Lastly, it finishes off by giving the output as the finished baseball bats from the machine.

So let's see how this...

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