I assumed you were aware of the issues, which is why I said those at home who might just take it at face value as a neat pattern. :) I personally do actually u

I assumed you were aware of the issues, which is why I said those at home who might just take it at face value as a neat pattern. :) I personally do actually use flatMap sometimes as outlined in your example - perf is an after issue and I'll refactor if the concise code isn't worth the cost.