// Copyright (c) 2019, 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.

/// @assertion It is a compile-time error if the static type of the argument
/// expression (expr) of an explicit extension invocation is void.
///
/// @description Check that it is a compile-time error if the static type of the
/// argument expression (expr) of an explicit extension invocation is void.
/// @issue 39156
/// @author sgrekhov@unipro.ru


class C {
  String name = "My name is C";
}

extension ExtendedC on C {
  String checkme() => this.name;
}

void getC() => new C();

main() {
  ExtendedC(getC()).checkme();
//          ^
// [analyzer] unspecified
// [cfe] unspecified
}