| library test; |
| import self as self; |
| import "dart:async" as asy; |
| import "dart:core" as core; |
| import "dart:_internal" as _in; |
| |
| import "dart:async"; |
| |
| static method main() → dynamic /* originally async */ { |
| final asy::_Future<dynamic>* :async_future = new asy::_Future::•<dynamic>(); |
| core::bool* :is_sync = false; |
| FutureOr<dynamic>* :return_value; |
| (dynamic) →* dynamic :async_op_then; |
| (core::Object*, core::StackTrace*) →* dynamic :async_op_error; |
| core::int* :await_jump_var = 0; |
| dynamic :await_ctx_var; |
| dynamic :saved_try_context_var0; |
| function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding |
| try { |
| #L1: |
| { |
| () →* asy::Stream<Null>* f = () → asy::Stream<Null>* /* originally async* */ { |
| asy::_AsyncStarStreamController<Null>* :controller; |
| dynamic :controller_stream; |
| (dynamic) →* dynamic :async_op_then; |
| (core::Object*, core::StackTrace*) →* dynamic :async_op_error; |
| core::int* :await_jump_var = 0; |
| dynamic :await_ctx_var; |
| dynamic :saved_try_context_var0; |
| dynamic :saved_try_context_var1; |
| function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding |
| try |
| try { |
| #L2: |
| { |
| if(:controller.{asy::_AsyncStarStreamController::add}(null){(Null) → core::bool}) |
| return null; |
| else |
| [yield] null; |
| } |
| return; |
| } |
| on dynamic catch(dynamic exception, core::StackTrace* stack_trace) { |
| :controller.{asy::_AsyncStarStreamController::addError}(exception, stack_trace){(core::Object, core::StackTrace) → void}; |
| } |
| finally { |
| :controller.{asy::_AsyncStarStreamController::close}(){() → dynamic}; |
| } |
| :async_op_then = asy::_asyncThenWrapperHelper(:async_op); |
| :async_op_error = asy::_asyncErrorWrapperHelper(:async_op); |
| :controller = new asy::_AsyncStarStreamController::•<Null>(:async_op); |
| :controller_stream = :controller.{asy::_AsyncStarStreamController::stream}{asy::Stream<Null>}; |
| return :controller_stream; |
| }; |
| asy::Stream<dynamic>* y = f(){() →* asy::Stream<Null>*}; |
| asy::Stream<core::String*>* z = f(){() →* asy::Stream<Null>*}; |
| [yield] let dynamic #t1 = asy::_awaitHelper(f(){() →* asy::Stream<Null>*}.{asy::Stream::first}{asy::Future<Null>*}, :async_op_then, :async_op_error, :async_op) in null; |
| core::String* s = _in::unsafeCast<Null>(:result); |
| } |
| asy::_completeOnAsyncReturn(:async_future, :return_value, :is_sync); |
| return; |
| } |
| on dynamic catch(dynamic exception, core::StackTrace* stack_trace) { |
| asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync); |
| } |
| :async_op_then = asy::_asyncThenWrapperHelper(:async_op); |
| :async_op_error = asy::_asyncErrorWrapperHelper(:async_op); |
| :async_op(){() →* dynamic}; |
| :is_sync = true; |
| return :async_future; |
| } |