> These are pretty much perfect for statically enforcing a nanopass-like system in your compiler and are a great way of designing your AST/data types in your co

> These are pretty much perfect for statically enforcing a nanopass-like system in your compiler and are a great way of designing your AST/data types in your compiler. Nice, I was just asking about this on the nanopass list the other day, do you happen to have a publicly available example of this anywhere?