toBandMap method Null safety

Map<String, dynamic> toBandMap(
  1. List<double> list
)

Implementation

static Map<String, dynamic> toBandMap(List<double> list) {
  return {
    "group": {"mean": list[0], "upper_band": list[1], "lower_band": list[2]},
    "total": {"mean": list[3], "upper_band": list[4], "lower_band": list[5]}
  };
}