/* LICENSE BEGIN

    This file is part of the Sixty FPS Project

    Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
    Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>

    SPDX-License-Identifier: GPL-3.0-only

LICENSE END */
Test := Window {
    a: [,];
//      ^error{invalid expression}
}