(0..1000).map(|x| x*2).sum() compiles to mov eax, 999000 Rust takes full advantage of its ownership, mutability, lifetime tracking and generics to have c

(0..1000).map(|x| x*2).sum() compiles to mov eax, 999000 Rust takes full advantage of its ownership, mutability, lifetime tracking and generics to have closures with zero overhead.