[seanparsons]

I remember writing a state machine system for a project to replace Windows Workflow Foundation (shudders) using Aspect.Net (IIRC) many years ago and it working but being a faff.

But then I think to something like the bracket function from Haskell: https://hackage.haskell.org/package/base-4.18.0.0/docs/Contr... That's 2 orders of magnitude simpler and doesn't need arbitrary function definitions so a pointcut can be defined against a block of code.