//ww:run-exit 3
// Migrated from 700_e2e row 61.
package main;
fn inner(b: bool) (i32 | str) = {
  if (b) { return 7; };
  return "err";
};
fn outer(b: bool) (i64 | str) = {
  let v: i32 = inner(b)?;
  return v: i64 + 100;
};
fn main() i32 = {
  let r: (i64 | str) = outer(false);
  match (r) {
    case let n: i64 => return n: i32;
    case let s: str => return s.len: i32;
  };
  return 0;
};