Explaining magic behind popular Ruby code

Explore the Ruby code behind popular solutions to learn how they were created. Improve your code by applying those patterns in your projects. Ruby language allows us to easily create beautiful DSL's and design complex libraries that anybody can easily use, despite programming experience. The code often looks perfect, but sometimes it is not clear how it was achieved under the hood. In this article, I explain a few solutions that are quite popular among many gems, and you can easily use it in your projects once you understand how you can build a similar code.