Usage

Calling a method

We can only use a method after we’ve defined it. As programmers, we usually say that we call a method. This means we ask Ruby to execute the code that the method body has, with some given arguments (if any).

Here’s how that looks:

Explanation

Let’s inspect what’s happening here in more detail, though it might seem confusing at first

In the first three lines, Ruby defines the add_two method as discussed before. ...