Richard M. Stallman says GNU/Linux, but Rust lang ecosystem is growing.

[馬 冰]

Rust already allows main function returning Result<T, E>, e.g. fn main() -> Result<(), std::io::Error>{Ok(())}, so I think the operating system should accept Result<T, E> instead of int, i.e., value returned from int main(){}. How to write patches for LLM? What's LLM?