1. Pattern matching with destructuring a la scala, rust, ocaml, etc. 2. scoped threading a la kotlin and by using certain libraries, rust to a degree. 3. stru

1. Pattern matching with destructuring a la scala, rust, ocaml, etc. 2. scoped threading a la kotlin and by using certain libraries, rust to a degree. 3. structs / records (i feel bad putting this since every language but java seems to have it). 4. macros of some kind 5. type inference 6. enums a la rust / sealed types in kotlin which are needed for pattern matching afaik