It's a closure, not just an anonymous function, though it of course has an empty...

		steveklabnik 10 days ago \| parent \| context \| favorite \| on: 8 months of OCaml after 8 years of Haskell in prod... It's a closure, not just an anonymous function, though it of course has an empty environment so it's not a significant difference in this case. Rust doesn't have syntax for anonymous functions, only closures.