library;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

import "dart:async";

class C extends core::Object {
  synthetic constructor •() → self::C*
    : super core::Object::•()
    ;
  method m() → asy::Future<core::List<core::int*>*>* async 
    return let final core::List<core::int*>* #t1 = <core::int*>[] in let final void #t2 = #t1.{core::List::add}(await this.{self::C::_m}()) in #t1;
  method _m() → asy::Future<core::int*>* async 
    return 42;
}
static method main() → dynamic async {
  self::expect(42, (await new self::C::•().{self::C::m}()).{core::Iterable::first});
}
static method expect(dynamic expected, dynamic actual) → dynamic {
  if(!expected.{core::Object::==}(actual))
    throw "Expected ${expected}, actual ${actual}";
}