This article includes code samples, check the 'What to do next' section for the link to the repo
Ruby iterators are a special type of method supported by collections. They are like any other regular method, but they receive an additional input in the form of a code block. Iterators
Pointers are one of those concepts that make no sense when you first learn about them. Usually, a change of perspective is enough for something in your brain to click and - puff! - everything magically falls in its place.
Despite their bad reputation, pointers are extremely powerful tools. Moreover,
Modules are incredibly flexible and powerful constructs that help you organize your code in a more... modular way. They let you package related functionality in a cohesive unit you can use to extend the behavior of objects and classes.
This article includes code samples (the link is in the 'What