We use this pattern in our Ruby apps to safely move $1B+/month at Gusto. You don’t need full blown monads to do this, just need to be cognizant to how you sepa

We use this pattern in our Ruby apps to safely move $1B+/month at Gusto. You don’t need full blown monads to do this, just need to be cognizant to how you separate the what (functional core) from the how (imperative shell). I recommend giving it a try!