//ww:error "on an sret-class call result unwired"
package main;
type oops = !str;
type nomem = !void;
type wide = struct { xs: []u8, ys: []u8, n: i64 };
fn mk(b: []u8) (wide | oops | nomem) = { return wide { xs = b, ys = b, n = 1 }; };
export fn main() i32 = {
	let buf: [4]u8 = [1u8, 2u8, 3u8, 4u8];
	let w: wide = mk(buf[0:4])!;
	if (w.n != 1) { return 1; };
	return 0;
};