// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | |
// for details. All rights reserved. Use of this source code is governed by a | |
// BSD-style license that can be found in the LICENSE file. | |
import 'dart:async'; | |
var x = 'a'; | |
Future<int> foo() async { | |
return x; | |
// ^ | |
// [analyzer] COMPILE_TIME_ERROR.RETURN_OF_INVALID_TYPE | |
// [cfe] A value of type 'String' can't be returned from an async function with return type 'Future<int>'. | |
} | |
main() { | |
foo(); | |
} |