//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 }; };
fn go(b: []u8) (i64 | oops | nomem) = { let w: wide = mk(b)?; return w.n; };
export fn main() i32 = {
	let buf: [4]u8 = [1u8, 2u8, 3u8, 4u8];
	match (go(buf[0:4])) {
	case let v: i64 => { if (v != 1) { return 1; }; };
	case let e: oops => return 13;
	case nomem => return 14;
	};
	return 0;
};