Functional core, imperative shell. https://www.destroyallsoftware.com/talks/boundaries https://www.destroyallsoftware.com/talks/boundaries Sure, enforcing the

Functional core, imperative shell. https://www.destroyallsoftware.com/talks/boundaries https://www.destroyallsoftware.com/talks/boundaries Sure, enforcing the paradigm everywhere would be bad. So don't do that!