//ww:run-exit 51
// Migrated from 825_errfirst_union_try row errfirst_tuple.
package main;
type e = !i32;
type ut = (e | (u16, u16));
fn ok() ut = { return (300u16, 7u16); };
export fn main() i32 = {
	let t = ok()!;
	let (a, b) = t;
	return (a: i32) + (b: i32);
};