It doesn't seem to be meant to be easy for someone who isn't familiar with Haskell syntax, if that's what you mean. It doesn't seem like it would be too bad for

It doesn't seem to be meant to be easy for someone who isn't familiar with Haskell syntax, if that's what you mean. It doesn't seem like it would be too bad for someone who knows a dialect of ML. Maybe with the addition of a couple hints. I think, though, that, if it were written to be digestible for someone who's only familiar with OOP, it would quickly expand from being a blog post to being a small book.