flying-aurora-8609

readme.md

flying-aurora-8609

Created with <3 with dartpad.dev.

main.dart

void main() {
  final list = List.generate(10000, (index) => index);
  imperative(list);
  declarative(list);
}

void imperative(List<int> list) {
  final start = DateTime.now();
  int result = 0;

  for (final e in list) {
    if (e % 2 == 0) {
      result += e;
    }
  }

  final end = DateTime.now();
  print('IMPERATIVE');
  print('result: $result');
  print('microseconds ${end.difference(start).inMicroseconds}');
}

void declarative(List<int> list) {
  final start = DateTime.now();
  int result = list
      .where(
        (e) => e % 2 == 0,
      )
      .reduce(
        (a, b) => a + b,
      );

  final end = DateTime.now();
  print('\nDECLARATIVE');
  print('result: $result');
  print('microseconds ${end.difference(start).inMicroseconds}');
}