Using this will make you very unhappy. It is the dumbest implementation of effects I can accomplish. Zero bells and whistles, zero performance. If you put this as your effect you will be unhappy.
Provide a meaningful easy way for people to understand Effects and the Typeclass Hierarchy for Cats-Effect or other Effect Monads. Rather than digging through imperative code written for performance read idiomatic code that does everything right but is as simple as it can be.