library test;
//
// Problems in library:
//
// pkg/front_end/testcases/inference/top_level_return_and_yield.dart:18:36: Error: A value of type 'Future<dynamic Function(dynamic)>' can't be assigned to a variable of type 'FutureOr<int Function(int)>'.
//  - 'Future' is from 'dart:async'.
//   return /*@ returnType=dynamic */ (/*@ type=dynamic */ x) => x;
//                                    ^
//
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

import "dart:async";

typedef IntToInt = (core::int*) →* core::int*;
static method a() → (core::int*) →* core::int* {
  return (core::int* x) → core::int* => x;
}
static method b() → asy::Future<(core::int*) →* core::int*>* /* originally async */ {
  final asy::_AsyncAwaitCompleter<(core::int*) →* core::int*>* :async_completer = new asy::_AsyncAwaitCompleter::•<(core::int*) →* core::int*>();
  FutureOr<(core::int*) →* core::int*>* :return_value;
  dynamic :async_stack_trace;
  (dynamic) →* dynamic :async_op_then;
  (core::Object*, core::StackTrace*) →* dynamic :async_op_error;
  core::int* :await_jump_var = 0;
  dynamic :await_ctx_var;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L1:
      {
        :return_value = let final<BottomType> #t1 = invalid-expression "pkg/front_end/testcases/inference/top_level_return_and_yield.dart:18:36: Error: A value of type 'Future<dynamic Function(dynamic)>' can't be assigned to a variable of type 'FutureOr<int Function(int)>'.
 - 'Future' is from 'dart:async'.
  return /*@ returnType=dynamic */ (/*@ type=dynamic */ x) => x;
                                   ^" in ((dynamic x) → dynamic => x) as{TypeError} FutureOr<(core::int*) →* core::int*>*;
        break #L1;
      }
      asy::_completeOnAsyncReturn(:async_completer, :return_value);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      :async_completer.{asy::Completer::completeError}(exception, stack_trace);
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_completer.{asy::_AsyncAwaitCompleter::start}(:async_op);
  return :async_completer.{asy::Completer::future};
}
static method c() → core::Iterable<(core::int*) →* core::int*>* /* originally sync* */ {
  function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
    core::int* :await_jump_var = 0;
    dynamic :await_ctx_var;
    function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
      {
        {
          :iterator.{core::_SyncIterator::_current} = (core::int* x) → core::int* => x;
          [yield] true;
        }
      }
      return false;
    }
    return :sync_op;
  }
  return new core::_SyncIterable::•<(core::int*) →* core::int*>(:sync_op_gen);
}
static method d() → core::Iterable<(core::int*) →* core::int*>* /* originally sync* */ {
  function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
    core::int* :await_jump_var = 0;
    dynamic :await_ctx_var;
    function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
      {
        {
          :iterator.{core::_SyncIterator::_yieldEachIterable} = <(core::int*) →* core::int*>[(core::int* x) → core::int* => x];
          [yield] true;
        }
      }
      return false;
    }
    return :sync_op;
  }
  return new core::_SyncIterable::•<(core::int*) →* core::int*>(:sync_op_gen);
}
static method e() → asy::Stream<(core::int*) →* core::int*>* /* originally async* */ {
  asy::_AsyncStarStreamController<(core::int*) →* core::int*>* :controller;
  dynamic :controller_stream;
  dynamic :async_stack_trace;
  (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}((core::int* x) → core::int* => x))
            return null;
          else
            [yield] null;
        }
        return;
      }
      on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
        :controller.{asy::_AsyncStarStreamController::addError}(exception, stack_trace);
      }
    finally {
      :controller.{asy::_AsyncStarStreamController::close}();
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :controller = new asy::_AsyncStarStreamController::•<(core::int*) →* core::int*>(:async_op);
  :controller_stream = :controller.{asy::_AsyncStarStreamController::stream};
  return :controller_stream;
}
static method f() → asy::Stream<(core::int*) →* core::int*>* /* originally async* */ {
  asy::_AsyncStarStreamController<(core::int*) →* core::int*>* :controller;
  dynamic :controller_stream;
  dynamic :async_stack_trace;
  (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 {
        #L3:
        {
          if(:controller.{asy::_AsyncStarStreamController::addStream}(asy::Stream::fromIterable<(core::int*) →* core::int*>(<(core::int*) →* core::int*>[(core::int* x) → core::int* => x])))
            return null;
          else
            [yield] null;
        }
        return;
      }
      on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
        :controller.{asy::_AsyncStarStreamController::addError}(exception, stack_trace);
      }
    finally {
      :controller.{asy::_AsyncStarStreamController::close}();
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :controller = new asy::_AsyncStarStreamController::•<(core::int*) →* core::int*>(:async_op);
  :controller_stream = :controller.{asy::_AsyncStarStreamController::stream};
  return :controller_stream;
}
static method main() → dynamic {}