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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 2. Ruby Variables FREE CHAPTER 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

What does a Ruby method return?

Learning what a method returns is critical in any programming language. Ruby specifically has a unique way of working with returned values. In this section, you are going to learn what a method returns.

I'm going to use the same method we created in the last section, which is as follows:

def baseball_team_list 
p ["A's", "Angels", "Astros"]
end

baseball_team_list

In other traditional programming languages, you have to explicitly use the return word to tell the method to return the values you want. For example, you would have to type something like this:

def second_baseball_team_list 
return p ["A's", "Angels", "Astros"]
end

second_baseball_team_list

Now, if you hit run, this code will get executed without any errors. However, Ruby does not need an explicit declaration...

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