Using function as QML model property (hack)

Repeater {
    id: repeater
    property var _model: [{
            "title" : "HAHA",
            "color" : "#3498db",
            "func" : function () { console.log("FUNC!") }
        }];
    model: _model

    Button {
        text: modelData.title
        onClicked: repeater._model[index].func()
        // Does not work:
        // onClicked: modelData.func()
    }
}