| /* | |
| * Copyright (c) 2011, 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 It is a compile-time error if the arity of a user-declared | |
| * operator with one of the names: | |
| * <, >, <=, >=, ==, -, +, ̃/, /, *, %, |, ˆ, &, <<, >>, >>>, [] is not 1. | |
| * @description Checks that a compile-time error is produced if a user-defined | |
| * operator [] specifies two parameters. | |
| * @compile-error | |
| * @author vasya | |
| */ | |
| class C { | |
| operator [](var index, var val) {} | |
| } | |
| main() { | |
| new C()[1]; | |
| } | |