Comprehensive Ruby Programming

The unless conditional code example

In working through the unless conditional, I created a file called unless_syntax.rb.

First, I create an array for our unless conditional to work with:

players = ["Correa", "Carter", "Altuve"] 

I want my code to print the values from the players array, but only if the array has values in it. To accomplish this, I'm going to use the following code:

unless players.empty?   players.each{ |player| puts player } end 

To run this program, go to the Terminal and type ruby unless_syntax.rb.

The output is as follows:

Now, what happens if the array is empty?

Remove the values from the array as shown in the following ...