Method find

plugins/channel-safely/channel-groups.cpp:312–318

finds a group corresponding to a map position if one exists

// finds a group corresponding to a map position if one exists
Groups::const_iterator ChannelGroups::find(const df::coord &map_pos) const {
    const auto iter = groups_map.find(map_pos);
    if (iter != groups_map.end()) {
        return groups.begin() + iter->second;
    }
    return groups.end();
}

// returns an iterator to the first element stored
Groups::const_iterator ChannelGroups::begin() const {