// Copyright (c) 2020, 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 Applying an expression of type Never in the function position of a
/// function call produces a result of type Never.
///
/// @description Checks that applying an expression of type Never in the function
/// position of a function call produces a result of type Never.
/// @author sgrekhov@unipro.ru

// Requirements=nnbd-strong

void test(var x) {
  if (x is Never) {
    Never n1 = x();
    Never n2 = x(42);
  }
}

main() {
  test(null);
}
