firstWhere example

main.dart

class Item {
  
  final int i;
  final bool show;
  
  Item(this.i, this.show);
  
  String toString() {
    return 'Item i=$i show=$show';
  }
}


void main() async {
  final list = <Item>[];
  
  for(int i = 0 ; i < 4 ; i++) {
    list.add(Item(i, i==2));
  }
  
  print(list);
  print("firstWhere = ${list.firstWhere((x) => x.show)}");
}