Collection for vs. map

readme.md

Collection for vs. map

Created with <3 with dartpad.dev.

main.dart

void main() {
  final stopwatch = Stopwatch();

  () {
    stopwatch.start();
    final sut = List.generate(100000, (index) => index * index);
    [for (final s in sut) s.toString()];
    stopwatch.stop();
    print('for time: ${stopwatch.elapsedMilliseconds} ms');
  }();

  stopwatch.reset();

  () {
    stopwatch.start();
    final sut = List.generate(100000, (index) => index * index);
    sut.map((e) => e.toString()).toList();
    stopwatch.stop();
    print('map time: ${stopwatch.elapsedMilliseconds} ms');
  }();
}