ref: 0c14bdce7f2c20becd103d0c8d0641a038b5d83b dir: /test/structarray.myr/
type t = struct a : int[42] ;; const main = { var v : t v.a[0] = 11 v.a[1] = 20 -> 2*v.a[0] + v.a[1] }