Language/Reference/Operator_Precedence/precedence_15_unary_prefix_t05.dart

// Copyright (c) 2016, 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

/// @assertion
/// Description    Operator                          Associativity Precedence
/// Unary prefix   -e, !e, ˜e, ++e, –e               None           15
/// @description Test that '--e' unary prefix operator has precedence (15).
/// Compare with Multiplicative operators (precedence 14). Test that '--e' has
/// priority higher than '*'
/// @author sgrekhov@unipro.ru

import "../../../Utils/expect.dart";

class C {
  int operator *(int b) {
    return b;
  }
}
main() {
  C c = new C();
  int e = 1;
  Expect.equals(0, c * --e);
}