ref: 1a1892e5a47ac3c1ab1b1944ee1ee11fc3d1e3c8 dir: /test/zwidencast.myr/
use std /* should zero-extend u when casting to v, returning 99 */ const main = { var u : uint8 var v : uint32 u = 99 v = u castto(uint32) std.exit(v castto(int)) }