Introduction to Category Theory in Scala.

Jack Park and I have been bouncing posts about category theory resources off of each other for years.

This one looks like a keeper.

It may be the sort of series that acts as a bridge between an abstraction (category theory) and the *real world* of programming.

They are related you know.

[...] Scala is important for a number of uses, not the least of which is noted in: Introduction to Category Theory in Scala [...]