I been using a very similar pattern [Port and Adapters]http://blog.ploeh.dk/2016/03/18/functional-architecture-is-ports-and-adapters/ http://blog.ploeh.dk/2016/

I been using a very similar pattern [Port and Adapters]http://blog.ploeh.dk/2016/03/18/functional-architecture-is-ports-and-adapters/ http://blog.ploeh.dk/2016/03/18/functional-architecture-is-p... since moving to F#, paired with [Railway Oriented Programming]https://fsharpforfunandprofit.com/rop/ https://fsharpforfunandprofit.com/rop/ for the 'Adaptper' level and using DDD for modelling the 'Entities' & 'Use Case' layers' and it been working well for me so far. Scott Wlaschin has recently released an [ebook]https://pragprog.com/book/swdddf/domain-modeling-made-functional https://pragprog.com/book/swdddf/domain-modeling-made-functi... on the topic which goes into more detail.