Rust is where you can write code that relies on a custom allocator. Or a program that doesn't allocate memory. It's usable for the really low level stuff. Becau

Rust is where you can write code that relies on a custom allocator. Or a program that doesn't allocate memory. It's usable for the really low level stuff. Because of this everything must be explicit. Nim is implicit. It doesn't require you to declare a main() function, for example.