Joy of Rails | A simple trick to understand Ruby’s lazy enumerator

In this article, we'll explore a simple visual trick to help understand how lazy enumeration works in Ruby. Lazy enumeration may seem like an abstract concept at first. It might be difficult to conceptualize. But taking a moment to get familiar with the lazy enumerator pays dividends. Enumerator::Lazy is extremely useful in scenarios where you want to build complex pipelines of data transformations or when working with large datasets. Let’s see how.