Remove duplicates from List

remove_duplicates_from_list.dart

void main() {
  final categoryName = [];

  categoryName.addAll(['one', 'thwo', 'thwo', 'thwo', 'three', 'one']);

  print('categoryName before removing duplicates:');
  print(categoryName);

  final unicCategory = categoryName.toSet().toList();

  print('unicCategory without duplicates:');
  print(unicCategory);
}