library test;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

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::Completer<(core::int) → core::int> :async_completer = asy::Completer::sync<(core::int) → core::int>();
  asy::FutureOr<(core::int) → core::int> :return_value;
  dynamic :async_stack_trace;
  dynamic :async_op_then;
  dynamic :async_op_error;
  dynamic :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 dynamic #t1 = let<BottomType> _ = null in invalid-expression "pkg/front_end/testcases/inference/top_level_return_and_yield.dart:18:34: Error: A value of type '(dynamic) \u8594 dynamic' can't be assigned to a variable of type 'dart.async::FutureOr<(dart.core::int) \u8594 dart.core::int>'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.async::FutureOr<(dart.core::int) \u8594 dart.core::int>'.
  return /*@returnType=dynamic*/ (/*@type=dynamic*/ x) => x;
                                 ^" in let final (dynamic) → dynamic #t2 = (dynamic x) → dynamic => x in null;
        break #L1;
      }
      :async_completer.{asy::Completer::complete}(:return_value);
      return;
    }
    on dynamic catch(dynamic :exception, dynamic :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);
  asy::Future::microtask<dynamic>(:async_op);
  return :async_completer.{asy::Completer::future};
}
static method c() → core::Iterable<(core::int) → core::int> /* originally sync* */ {
  dynamic :await_jump_var = 0;
  dynamic :await_ctx_var;
  function :sync_op(core::_SyncIterator<(core::int) → core::int> :iterator) → core::bool yielding {
    {
      {
        :iterator.{core::_SyncIterator::_current} = (core::int x) → core::int => x;
        [yield] true;
      }
    }
    return false;
  }
  return new core::_SyncIterable::•<(core::int) → core::int>(:sync_op);
}
static method d() → core::Iterable<(core::int) → core::int> /* originally sync* */ {
  dynamic :await_jump_var = 0;
  dynamic :await_ctx_var;
  function :sync_op(core::_SyncIterator<(core::int) → core::int> :iterator) → core::bool yielding {
    {
      {
        :iterator.{core::_SyncIterator::_yieldEachIterable} = <(core::int) → core::int>[(core::int x) → core::int => x];
        [yield] true;
      }
    }
    return false;
  }
  return new core::_SyncIterable::•<(core::int) → core::int>(:sync_op);
}
static method e() → asy::Stream<(core::int) → core::int> /* originally async* */ {
  asy::_AsyncStarStreamController<(core::int) → core::int> :controller;
  dynamic :async_stack_trace;
  dynamic :async_op_then;
  dynamic :async_op_error;
  dynamic :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, dynamic :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);
  return :controller.{asy::_AsyncStarStreamController::stream};
}
static method f() → asy::Stream<(core::int) → core::int> /* originally async* */ {
  asy::_AsyncStarStreamController<(core::int) → core::int> :controller;
  dynamic :async_stack_trace;
  dynamic :async_op_then;
  dynamic :async_op_error;
  dynamic :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, dynamic :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);
  return :controller.{asy::_AsyncStarStreamController::stream};
}
static method main() → dynamic {}