// 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 | |
extension BestCom<T extends num> on Iterable<T> { | |
T best() => null; | |
} | |
extension BestList<T> on List<T> { | |
T best() => null; | |
} | |
extension BestSpec on List<num> { | |
num best() => null; | |
} | |
main() { | |
List<int> x; | |
var v = x.best(); | |
List<num> y; | |
var w = y.best(); | |
} |