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 block {
      #t1.{core::List::add}(await this.{self::C::_m}());
    } =>#t1;
  method _m() → asy::Future<core::int*>* async 
    return 42;
  abstract member-signature get _identityHashCode() → core::int*;
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*;
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*;
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*;
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*;
  abstract member-signature operator ==(dynamic other) → core::bool*;
  abstract member-signature get hashCode() → core::int*;
  abstract member-signature method toString() → core::String*;
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic;
  abstract member-signature get runtimeType() → core::Type*;
}
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}";
}