3 ms·

Typescript’s type system is deliberately not sound though. In general, there is no type inference available for OOP type-hierarchies as opposed to a more Haske

by kaba0 3y ago

Typescript’s type system is deliberately not sound though. In general, there is no type inference available for OOP type-hierarchies as opposed to a more Haskell-like type system, where Hindley-Milner works

riku_iki 3y ago
I don't have strong knowledge in types theory, but why class C { a: int = 0; } can't be replaced with class C { a = 0; } ? what issues it brings?..
- kaba0 3y ago
  That can. But what about a field that is not initialized there?
  - riku_iki 3y ago
    obviously you would need to provide type.