// 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.

// @dart = 2.9

/// @assertion A simple member invocation on a target expression X is an
/// expression of one of the forms:
/// Member invocation on target X	     Corresponding member name
///        X<types>(args)	                      call
/// @description Check explicit extension member invocation in form of
/// X<types>(args)
/// @author sgrekhov@unipro.ru


class C {
  String call<X, Y>(X x, Y y) => "C:$x:$y";
}

extension Extension1 on C {
}

main() {
  C c = C();
  Extension1(c)<String, int>("Lily was here", 42);
//^^^^^^^^^^^^^
// [analyzer] unspecified
// [cfe] unspecified
}