library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

import "dart:async";

class Enum extends core::_Enum /*isEnum*/  {
  static const field core::List<self::Enum> values = const <self::Enum>[self::Enum::a, self::Enum::b];
  static const field self::Enum a = const self::Enum::•(0, "a");
  static const field self::Enum b = const self::Enum::•(1, "b");
  const constructor •(core::int index, core::String name) → self::Enum
    : super core::_Enum::•(index, name)
    ;
  method toString() → core::String
    return "Enum.${this.{core::_Enum::_name}{core::String}}";
}
static method returnImplicit() → core::String
  ;
static method returnExplicit() → core::String
  ;
static method returnMixed(core::bool b) → core::String
  ;
static method returnAsync1() → asy::Future<dynamic> async 
  ;
static method returnAsync2() → FutureOr<dynamic> async 
  ;
static method returnAsync3() → FutureOr<core::int> async 
  ;
static method returnAsync4() → FutureOr<core::int?> async 
  ;
static method returnAsync5() → dynamic async 
  ;
static method returnAsync6() → asy::Future<core::int?> async 
  ;
static method returnAsync7() → asy::Future<core::int?> async 
  ;
static method yieldSync() → core::Iterable<dynamic> sync* 
  ;
static method yieldAsync() → asy::Stream<dynamic> async* 
  ;
static method caseReturn1(self::Enum e) → self::Enum
  ;
static method caseReturn2(self::Enum e) → self::Enum
  ;
static method localFunctions() → dynamic
  ;
static method main() → dynamic
  ;


Extra constant evaluation status:
Evaluated: ListLiteral @ org-dartlang-testcase:///return_null.dart:43:6 -> ListConstant(const <Enum*>[const Enum{_Enum.index: 0, _Enum._name: "a"}, const Enum{_Enum.index: 1, _Enum._name: "b"}])
Evaluated: ConstructorInvocation @ org-dartlang-testcase:///return_null.dart:43:13 -> InstanceConstant(const Enum{_Enum.index: 0, _Enum._name: "a"})
Evaluated: ConstructorInvocation @ org-dartlang-testcase:///return_null.dart:43:16 -> InstanceConstant(const Enum{_Enum.index: 1, _Enum._name: "b"})
Extra constant evaluation: evaluated: 8, effectively constant: 3