joinLists function

List joinLists(
  1. List? l1, [
  2. List? l2,
  3. List? l3,
  4. List? l4,
  5. List? l5,
  6. List? l6,
  7. List? l7,
  8. List? l8,
  9. List? l9,
])

Joins all parameters to a single list.

Implementation

List joinLists(List? l1,
    [List? l2,
    List? l3,
    List? l4,
    List? l5,
    List? l6,
    List? l7,
    List? l8,
    List? l9]) {
  var l = [];

  if (l1 != null) l.addAll(l1);
  if (l2 != null) l.addAll(l2);
  if (l3 != null) l.addAll(l3);
  if (l4 != null) l.addAll(l4);
  if (l5 != null) l.addAll(l5);
  if (l6 != null) l.addAll(l6);
  if (l7 != null) l.addAll(l7);
  if (l8 != null) l.addAll(l8);
  if (l9 != null) l.addAll(l9);

  return l;
}