//ww:run-exit 42
package main;
package beta;
export type berr = !void;
export fn op() (i32 | berr) = { return 5; };
export fn user() (i32 | berr) = { let v: i32 = op()?; return v + 37; };
package gamma;
export type gerr1 = !void;
export type gerr2 = !u8;
export fn op() (i32 | gerr1 | gerr2) = { return 0; };
package main;
import beta;
import gamma;
fn main() int = { match (beta.user()) { case let n: i32 => return n: int; case berr => return 99; }; };