// Copyright (c) 2017, 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
/*@testedFeatures=inference*/
library test;

void optional_toplevel([List<int> x = /*@ typeArgs=int* */ const []]) {}

void named_toplevel({List<int> x: /*@ typeArgs=int* */ const []}) {}

main() {
  void optional_local([List<int> x = /*@ typeArgs=int* */ const []]) {}
  void named_local({List<int> x: /*@ typeArgs=int* */ const []}) {}
  var /*@ type=([List<int*>*]) ->* Null */ optional_closure = /*@ returnType=Null */ (
      [List<int> x = /*@ typeArgs=int* */ const []]) {};
  var /*@ type=({x: List<int*>*}) ->* Null */ name_closure = /*@ returnType=Null */ (
      {List<int> x: /*@ typeArgs=int* */ const []}) {};
}
