Vloz

class MyListClass{
  String value;
  List<MyItemClass> items;

  MyListClass(){}

  MyListClass.fromRaw(Map value){
    value = JSON.decode(value['value']);
    items = JSON.decode(value['items'],reviver:(k,v){

Vloz

class DateTimeFromDateInput extends Transformer<String,DateTime>{
  String forward(DateTime d){
    String s = d.toString();
    return s.substring(0,s.lastIndexOf(' '));
  }

  DateTime reverse(String s) {
    try{
      return DateTime.parse(s);
    }on Exception {

Vloz

static bool validsiret(String siret){
    if(siret==null)
      return false;
    String s = siret.replaceAll(' ','');
    if(s.length==0)
      return false;
    List<int> ln = new List<int>();
    for (int i = 0; i < s.length ; i++) {
      int n = int.parse(s[i], onError:(_){return 127;});
      ln.add(i.isEven ? (n * 2 > 9 ? n * 2 - 9 : n * 2) : n);