fast_immutable_collections 10.1.2

Immutable lists, sets, maps, and multimaps, which are as fast as their native mutable counterparts. Extension methods and comparators for native Dart collections.

example/main.dart

import 'package:fast_immutable_collections/fast_immutable_collections.dart';

void main() {
  // Example usage of IList.
  print('IList Example:');
  IList<int> iList = IList<int>();

  // Add elements to the list.
  iList = iList.add(10).addAll([20, 30, 40]);
  print('Original List: $iList');

  // Access elements in the list.
  final int firstElement = iList.first;
  print('First Element: $firstElement');

  // Remove an element from the list.
  iList = iList.remove(20);
  print('List after removing 20: $iList');

  // Find an element in the list.
  final bool containsThirty = iList.contains(30);
  print('Does the list contain 30? $containsThirty');

  // Example usage of ISet.
  print('\nISet Example:');
  ISet<String> iSet = ISet<String>();

  // Add elements to the set.
  iSet = iSet.add('apple').addAll(['banana', 'orange', 'grape']);
  print('Original Set: $iSet');

  // Remove an element from the set.
  iSet = iSet.remove('orange');
  print('Set after removing orange: $iSet');

  // Check if the set contains an element.
  final bool containsBanana = iSet.contains('banana');
  print('Does the set contain banana? $containsBanana');

  // Iterate over the elements in the set.
  print('Iterating over the set:');
  for (final String fruit in iSet) {
    print(fruit);
  }
}