Exceptions Ocaml Programming Chapter 3 Video 21

Summary

How to make variants be recursive, and how to parameterize them on other types. Textbook: cs3110.github.io/textbook. Additional static checks performed by the compiler on pattern matches: exhaustiveness and unused branches. Textbook: ... The `option` type, which represents optional data. It's a principled way to avoid the plague of `null`. Textbook: ... The formal syntax and semantics of variants. Textbook: cs3110.github.io/textbook. How to define a type for binary trees using variants. Textbook: cs3110.github.io/textbook. More about records vs. variants, and how variants can combine "one of" vs "each of" data. Textbook: ... An extended example of developing an ADT. Textbook: cs3110.github.io/textbook. Examples of pattern matching with lists, records, and tuples. Textbook: cs3110.github.io/textbook. Examples of variants, which along with records are the primary kind of user-defined data types in Using pattern matching to access the pieces of a variant. Textbook: cs3110.github.io/textbook.