Filter Ocaml Programming Chapter 4 - Latest Information & Updates 2026

How to implement the `

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

Functions can take other functions as input and return them as output, making them "higher order". Textbook: ...

How to implement the `map` functional. Textbook: https://cs3110.github.io/textbook.

How to combine elements of a list, as a warmup for the `fold` functional. Textbook: https://cs3110.github.io/textbook.

The `map` functional transforms elements of a list. Textbook: https://cs3110.github.io/textbook.

HM type inference of `let` expressions led to type schemes, which enabled polymorphism. Add mutability, though, could lead to a ...

How to use the ideas of `map` and `fold` functionals with binary trees. Textbook: https://cs3110.github.io/textbook.

Functional data structure do not use imperative features, hence are persistent rather than ephemeral Textbook: ...

The `function` keyword provides helpful syntactic sugar for pattern matching. Textbook: https://cs3110.github.io/textbook.

A "closure" is a data structure containing the code for a function, as well as the environment that "closes" off its free variables.

My web page: www.imperial.ac.uk/people/n.sadawi Useful links: ...

The basics of