//ww:run-exit 130
// Migrated from 700_e2e row 99.
package main;
import strconv;
type r_t = (u64 | strconv.invalid | strconv.overflow);
fn main() i32 = {
  let r1: r_t = strconv.stou64("123", strconv.base.DEC);
  let r2: r_t = strconv.stou64("-1", strconv.base.DEC);
  let acc: i32 = 0;
  match (r1) {
    case let v: u64 => acc += v: i32;
    case let e: strconv.invalid => acc += -100;
    case let e: strconv.overflow => acc += -200;
  };
  match (r2) {
    case let v: u64 => acc += 100;
    case let e: strconv.invalid => acc += 200;
    case let e: strconv.overflow => acc += 7;
  };
  return acc;
};