dart add list to list code example
Example 1: dart add String item to list
List<String> list = ["B", "C", "D"];
list.insert(0, "A"); // at index 0 we are adding A
// list now becomes ["A", "B", "C", "D"]
Example 2: dart add list to list
var newList = [...list1, ...list2].toSet().toList();
hasan