library;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;
import "dart:_internal" as _in;

import "dart:async";

class C extends core::Object {
  synthetic constructor •() → self::C*
    : super core::Object::•()
    ;
  method m() → asy::Future<core::List<core::int*>*>* /* originally async */ {
    final asy::_AsyncAwaitCompleter<core::List<core::int*>*>* :async_completer = new asy::_AsyncAwaitCompleter::•<core::List<core::int*>*>();
    asy::FutureOr<core::List<core::int*>*>* :return_value;
    dynamic :async_stack_trace;
    dynamic :async_op_then;
    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:
        {
          final core::List<core::int*>* #t1 = <core::int*>[];
          [yield] let dynamic #t2 = asy::_awaitHelper(this.{self::C::_m}(), :async_op_then, :async_op_error, :async_op) in null;
          :return_value = let final void #t3 = #t1.{core::List::add}(_in::unsafeCast<core::int*>(:result)) in #t1;
          break #L1;
        }
        asy::_completeOnAsyncReturn(:async_completer, :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);
    :async_completer.start(:async_op);
    return :async_completer.{asy::Completer::future};
  }
  method _m() → asy::Future<core::int*>* /* originally async */ {
    final asy::_AsyncAwaitCompleter<core::int*>* :async_completer = new asy::_AsyncAwaitCompleter::•<core::int*>();
    asy::FutureOr<core::int*>* :return_value;
    dynamic :async_stack_trace;
    dynamic :async_op_then;
    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 {
        #L2:
        {
          :return_value = 42;
          break #L2;
        }
        asy::_completeOnAsyncReturn(:async_completer, :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);
    :async_completer.start(:async_op);
    return :async_completer.{asy::Completer::future};
  }
}
static method main() → dynamic /* originally async */ {
  final asy::_AsyncAwaitCompleter<dynamic>* :async_completer = new asy::_AsyncAwaitCompleter::•<dynamic>();
  asy::FutureOr<dynamic>* :return_value;
  dynamic :async_stack_trace;
  dynamic :async_op_then;
  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 {
      #L3:
      {
        [yield] let dynamic #t4 = asy::_awaitHelper(new self::C::•().{self::C::m}(), :async_op_then, :async_op_error, :async_op) in null;
        self::expect(42, _in::unsafeCast<core::List<core::int*>*>(:result).{core::Iterable::first});
      }
      asy::_completeOnAsyncReturn(:async_completer, :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);
  :async_completer.start(:async_op);
  return :async_completer.{asy::Completer::future};
}
static method expect(dynamic expected, dynamic actual) → dynamic {
  if(!expected.{core::Object::==}(actual))
    throw "Expected ${expected}, actual ${actual}";
}