Maybe try to aim for functional core, imperative shell, see https://www.destroyallsoftware.com/screencasts/catalog/functional-core-imperative-shell https://www.

Maybe try to aim for functional core, imperative shell, see https://www.destroyallsoftware.com/screencasts/catalog/functional-core-imperative-shell https://www.destroyallsoftware.com/screencasts/catalog/funct...