It sounds exactly the same as Python with pyright or mypy. A novel approach is taken by Elixir, which actually makes sure the compile time types match runtime t

It sounds exactly the same as Python with pyright or mypy. A novel approach is taken by Elixir, which actually makes sure the compile time types match runtime types. That is , you can't call a function with an incorrect input type at runtime https://elixir-lang.org/blog/2023/09/20/strong-arrows-gradual-typing/ https://elixir-lang.org/blog/2023/09/20/strong-arrows-gradua...