}
export struct ChannelsData {
    names: [string],
    active: int,

    in-out property <[string]> channels;
    in-out property <int> active;

    in-out property <ChannelsData> data;

            for ch[index] in channels: ChannelEntry {

            for ch[index] in data.names: ChannelEntry {

                active: active == index;

                active: data.active == index;

    in-out property <[string]> channels <=> chs.channels;
    in-out property <int> active-channel <=> chs.active;

    in-out property <ChannelsData> channels <=> chs.data;

        root.request-changes-log(chs.channels[chs.selected]);
        root.request-diff-summary(chs.channels[chs.selected]);

        root.request-changes-log(chs.data.names[chs.selected]);
        root.request-diff-summary(chs.data.names[chs.selected]);

            root.request-diff-delta(chs.channels[chs.selected])

            root.request-diff-delta(chs.data.names[chs.selected])

            ui.set_channels((&channel_strs[..]).into());
            ui.set_active_channel(i32::try_from(channel_list.active).unwrap_or(-1));

            ui.set_channels(ChannelsData {
                names: (&channel_strs[..]).into(),
                active: i32::try_from(channel_list.active).unwrap_or(-1),
            });