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

static method bar(core::int* a, core::List<core::int*>* b) → dynamic {
  self::expect(1.{core::int::unary-}(), a);
  self::expect(1.{core::int::unary-}(), b.{core::List::[]}(0).{core::num::-}(2));
}
static method foo(core::int* x) → dynamic /* originally async */ {
  final asy::_AsyncAwaitCompleter<dynamic>* :async_completer = new asy::_AsyncAwaitCompleter::•<dynamic>();
  asy::FutureOr<dynamic>* :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;
  dynamic :saved_try_context_var0;
  dynamic :async_temporary_0;
  dynamic :async_temporary_1;
  core::List<core::int*>* :async_temporary_2;
  dynamic :async_temporary_3;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L1:
      {
        :async_temporary_3 = x.{core::num::-}(1);
        if(!x.{core::num::==}(null)) {
          :async_temporary_1 = x.{core::num::+}(1);
          :async_temporary_0 = x.{core::num::+}(2);
          [yield] let dynamic #t1 = asy::_awaitHelper(null, :async_op_then, :async_op_error, :async_op) in null;
          :async_temporary_2 = <core::int*>[_in::unsafeCast<core::int*>(:async_temporary_1), _in::unsafeCast<core::int*>(:async_temporary_0), _in::unsafeCast<core::Null?>(:result)];
        }
        else {
          :async_temporary_2 = null;
        }
        :return_value = self::bar(_in::unsafeCast<core::int*>(:async_temporary_3), :async_temporary_2);
        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 main() → void /* originally async */ {
  final asy::_AsyncAwaitCompleter<dynamic>* :async_completer = new asy::_AsyncAwaitCompleter::•<dynamic>();
  asy::FutureOr<dynamic>* :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;
  dynamic :saved_try_context_var0;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L2:
      {
        [yield] let dynamic #t2 = asy::_awaitHelper(self::foo(0), :async_op_then, :async_op_error, :async_op) in null;
        :return_value = :result;
        break #L2;
      }
      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 expect(dynamic expected, dynamic actual) → dynamic {
  if(!expected.{core::Object::==}(actual))
    throw "Expected ${expected}, actual ${actual}";
}