Letter animation effect

letter-animation-effect.dart

import 'dart:async';

void main() {
  List<String> alphabets = 'abcdefghijklmnopqrstuvwxyz'.split('');
  var stream = new Stream.fromIterable(alphabets);
  var count = 1;
  
  stream.listen((char) {
    Timer(Duration(seconds: 1 * count), () {
      print(char);
    });
    count++;
  });
}

In response to https://dev.to/allanjeremy/explain-futures-and-streams-in-dart-like-im-five-46nd