ref: 3d4d7c4ca9eb30d468d71c26f4b4588c800c9d1c 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 : uint32) std.exit((v : int)) }