I'd argue that 99.9% of OCaml programmers have never heard of the term "catamorphism"! Still cool to know there's a name for it, but I wouldn't write in a code

I'd argue that 99.9% of OCaml programmers have never heard of the term "catamorphism"! Still cool to know there's a name for it, but I wouldn't write in a code review "why don't you refactor your description function using a catamorphism".