Algebraic Data Types Ocaml Programming color trends 2026: Meanings, Combinations, and Trends Explained

More about records vs. variants, and how variants can combine "one of" vs "each of"

OCaml

How to implement the `fold_left` and `fold_right` functionals on lists. Textbook: https://cs3110.github.io/textbook.

The `option`

How to design the equations in an

HM

Defining the

Achieving polymorphism for `let` expressions in HM

How to make variants be recursive, and how to parameterize them on other

let` expressions Textbook: https://cs3110.github.io/textbook.

An extended example of developing an ADT. Textbook: https://cs3110.github.io/textbook.

That's when the trouble starts: our types don't represent exactly what we have.

if-then-else` expressions. Textbook: https://cs3110.github.io/textbook.