shuffle method Null safety

  1. @override
void shuffle(
  1. [Random? random]
)
override

Shuffles the elements of this list randomly.

final numbers = <int>[1, 2, 3, 4, 5];
numbers.shuffle();
print(numbers); // [1, 3, 4, 5, 2] OR some other random result.

Implementation

@override
void shuffle([Random? random]) {
  if (source.length != _initialSize) {
    throw ConcurrentModificationError(source);
  }
  algorithms.shuffle(source, start, end, random);
}