Rust is targeting both users who know the original definition as well as people who don’t. Differentiating between real enums and sum types means the language g

Rust is targeting both users who know the original definition as well as people who don’t. Differentiating between real enums and sum types means the language gets another keyword for a concept that overlaps. From a PL theory perspective, enum denotes an enumerable set of values within a type. It just happens that sums slot in well enough with that.