Closures are one of Ruby’s most powerful yet often misunderstood features. They allow us to write cleaner, more flexible, and highly reusable code. If you’ve ever used blocks, procs, or lambdas in Ruby, you’ve already interacted with closures — but do you really understand how they work?

https://rubystacknews.com/2025/04/14/%f0%9f%94%92-understanding-closures-in-ruby-a-powerful-yet-elegant-feature/