Method clear

plugins/channel-safely/channel-groups.cpp:267–278

clears out the containers for unloading maps or disabling the plugin

// clears out the containers for unloading maps or disabling the plugin
void ChannelGroups::clear() {
    debug_map();
    WARN(groups).print(" <- clearing groups\n");
    jobs.clear();
    group_blocks.clear();
    free_spots.clear();
    groups_map.clear();
    for(size_t i = 0; i < groups.size(); ++i) {
        groups[i].clear();
        free_spots.emplace(i);
    }
}

// erases map_pos from its group, and deletes mappings IFF the group is empty
void ChannelGroups::remove(const df::coord &map_pos) {