Aliasing Ocaml Programming Chapter 7 Video 4

Summary

The syntax and semantics of ref cells Textbook: cs3110.github.io/textbook. How to use the ideas of `map` and `fold` functionals with binary trees. Textbook: cs3110.github.io/textbook. The semicolon operator is used to sequence imperative commands Textbook: cs3110.github.io/textbook. How to implement a function that counts up with every invocation, using references Textbook: cs3110.github.io/textbook. The `map` functional transforms elements of a list. Textbook: cs3110.github.io/textbook. References, or ref cells, are pointers to typed locations in memory. They enable imperative The second part of a deep dive into implementing lists with mutable fields. Textbook: cs3110.github.io/textbook. How `let` expressions create scope and shadowing. Textbook: cs3110.github.io/textbook. if-then-else` expressions. Textbook: cs3110.github.io/textbook. How to implement the `map` functional. Textbook: cs3110.github.io/textbook. The fields of records can be marked as mutable, providing an alternative to refs. In fact, refs are implemented with mutable fields.