ref: 781d516f7d1c081f2d90b9f94b30b3400f7abd5f 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)) }