;;;; A Vec cannot cross to C. The shim flattens a struct that crosses, and a
;;;; Vec is not a struct anyone should flatten: it owns storage, and handing
;;;; its header to C hands out an owner. It falls to the same aggregate
;;;; refusal every other non-scalar declare-c parameter gets, which is the
;;;; point — nothing special was needed and nothing special was added.
(declare-c vec-sum [v (Vec i32)] i32 "vec_sum")

(defn main [] i32 0)