//ww:run-exit 107
// Migrated from 700_e2e row 73.
package main;
type result = (i64 | i32);
fn unwrap(r: result) i64 = {
  match (r) {
    case let v: i64 => return v;
    case let e: i32 => return e: i64;
  };
  return -1;
};
fn main() i32 = {
  let r1: result = 100;
  let r2: result = 7: i32;
  return (unwrap(r1) + unwrap(r2)): i32;
};