// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0

export Demo := Window {
    callback foobar;
    TouchArea {
        clicked => {
            root
//          ^error{'root.foobar' must be called. Did you forgot the '\(\)'\?}
                .foobar
        }
    }
}