// 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. | |
class A { | |
const A(); | |
A operator -() => this; | |
} | |
main() { | |
const a = const A(); | |
const c = //# 01: compile-time error | |
const bool.fromEnvironment('foo') ? null : -a; //# 01: continued | |
} |