Should You Use Rails Concerns?

Concerns are something that every Ruby on Rails developer has probably heard of. Whenever you create a brand new project in ruby on rails, a default directory named `app/controllers/concerns` and `app/models/concerns` is created, yet many people find concerns troublesome. In this article, we'll discuss whether developers should be apprehensive about the concern file or not, and why many have negative perceptions regarding the concern file.Here is a brief idea of what we are going to cover in this post.