OK, so the standard collections (Array, Set, Dictionary) are value types with
remote storage. Since they don’t have de-initializers, how would any reference
count get any notification to eventually de-allocate ? Or is the memory leaked?
Or is some sort of secret system-provided de-initalizer add
These types are essentially single-field structs. The underlying storage is
referenced from this field, which has a reference type. While structs cannot
have user-defined destructors, the compiler knows when a value of struct type
goes out of scope and destroys its fields, which for reference ty
