pkg/front_end/testcases/patterns/issue51636.dart - sdk - Git at Google

 // Copyright (c) 2023, 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.

 int f<A>() => switch (unknownName) {
   <A>[] => 1,
   <A>[var x, ...var xs] => 2,
 };

 void main() {}
	// Copyright (c) 2023, 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.

	int f<A>() => switch (unknownName) {
	<A>[] => 1,
	<A>[var x, ...var xs] => 2,
	};

	void main() {}