Read by refactoring

- [Instructor] Chances are that you've encountered a chunk … of code that was so difficult to understand, … you didn't even know where to begin. … Situations like that are perfect candidates … for the read by refactoring technique … that was first created by Arlo Belshee. … As the name implies, this technique involves employing … refactoring to make changes to the code … as you're reading it. … More specifically, the changes that you're making … are very small. … And each one is attempting to capture some understanding … that you've gained from reading the code. … For example, … if you encounter a variable with a name … that doesn't clearly indicate how it's used, … you can study the code a little bit … to gain a better understanding … of what that variable is doing. … And then use the renamed variable refactoring … to improve the variables name. … Here on the screen, … we have a small method from the Ruby Sinatra library. … We're specifically looking at version 1.0, … which was released back in 2010. …