library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/general/stream_future.dart:18:9: Error: A value of type 'Future<dynamic>' can't be assigned to a variable of type 'FutureOr<Class>'.
//  - 'Future' is from 'dart:async'.
//  - 'Class' is from 'pkg/front_end/testcases/general/stream_future.dart'.
//   yield returnFutureDynamic();
//         ^
//
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

import "dart:async";

class Class extends core::Object {
  synthetic constructor •() → self::Class
    : super core::Object::•()
    ;
}
static method returnDynamic() → dynamic
  return new self::Class::•();
static method returnClass() → self::Class
  return new self::Class::•();
static method returnFutureDynamic() → asy::Future<dynamic> async /* futureValueType= dynamic */ 
  return new self::Class::•();
static method returnFutureClass() → asy::Future<self::Class> async /* futureValueType= self::Class */ 
  return new self::Class::•();
static method error() → asy::Stream<FutureOr<self::Class>> async* {
  yield invalid-expression "pkg/front_end/testcases/general/stream_future.dart:18:9: Error: A value of type 'Future<dynamic>' can't be assigned to a variable of type 'FutureOr<Class>'.
 - 'Future' is from 'dart:async'.
 - 'Class' is from 'pkg/front_end/testcases/general/stream_future.dart'.
  yield returnFutureDynamic();
        ^" in self::returnFutureDynamic() as{TypeError,ForNonNullableByDefault} FutureOr<self::Class>;
}
static method stream() → asy::Stream<FutureOr<self::Class>> async* {
  yield self::returnDynamic() as{TypeError,ForDynamic,ForNonNullableByDefault} FutureOr<self::Class>;
  yield self::returnClass();
  yield self::returnFutureClass();
}
static method main() → dynamic async /* futureValueType= dynamic */ {
  {
    asy::Stream<FutureOr<self::Class>> :stream = self::stream();
    asy::_StreamIterator<FutureOr<self::Class>>? :for-iterator = new asy::_StreamIterator::•<FutureOr<self::Class>>(:stream);
    try
      while (let dynamic #t1 = asy::_asyncStarMoveNextHelper(:stream) in await :for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}) {
        FutureOr<self::Class>cls = :for-iterator.{asy::_StreamIterator::current}{FutureOr<self::Class>};
        {
          core::print(cls);
        }
      }
    finally
      if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<FutureOr<self::Class>>?} == null))
        await :for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>};
  }
}