getMarkers

List<BuffetMarker> getMarkers(List<Buffet>? buffets) {
  return buffets!
      .map<BuffetMarker>((e) => BuffetMarker(
          builder: (ctx) => buildMarker(),
          name: e.name,
          district: e.district,
          neighborhood: e.neighborhood,
          anchorPos: AnchorPos.align(AnchorAlign.center),
          point: LatLng(double.parse(e.latitude.replaceAll(' ', '')),
              double.parse(e.longitude.replaceAll(' ', '')))))
      .toList();
}

FloatingActionButton buildMarker() {
  return const FloatingActionButton(
      heroTag: null,
      onPressed: null,
      backgroundColor: Colors.deepOrangeAccent,
      child: Icon(
        Icons.location_on,
        color: Colors.white,
      ));
}