I translated this to F# for my own edification. It's more verbose, but perhaps easier to understand for non-Haskellers. https://github.com/brianberns/Annotated

I translated this to F# for my own edification. It's more verbose, but perhaps easier to understand for non-Haskellers. https://github.com/brianberns/AnnotatedStack https://github.com/brianberns/AnnotatedStack