library; // // Problems in library: // // pkg/front_end/testcases/general/stream_future.dart:18:9: Error: A value of type 'Future' can't be assigned to a variable of type 'FutureOr'. // - '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::•() ; abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::== abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode abstract member-signature method toString() → core::String*; -> core::Object::toString abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType } static method returnDynamic() → dynamic return new self::Class::•(); static method returnClass() → self::Class* return new self::Class::•(); static method returnFutureDynamic() → asy::Future* async return new self::Class::•(); static method returnFutureClass() → asy::Future* async return new self::Class::•(); static method error() → asy::Stream*>* async* { yield let final Never* #t1 = invalid-expression "pkg/front_end/testcases/general/stream_future.dart:18:9: Error: A value of type 'Future' can't be assigned to a variable of type 'FutureOr'. - 'Future' is from 'dart:async'. - 'Class' is from 'pkg/front_end/testcases/general/stream_future.dart'. yield returnFutureDynamic(); ^" in self::returnFutureDynamic() as{TypeError} FutureOr*; } static method stream() → asy::Stream*>* async* { yield self::returnDynamic() as{TypeError,ForDynamic} FutureOr*; yield self::returnClass(); yield self::returnFutureClass(); } static method main() → dynamic async { await for (FutureOr* cls in self::stream()) { core::print(cls); } }