Word to rune converter

  			
          import 'dart:io';

          void main() {

            String? word = null;

            do {

              print("Set a word: ");
              word = stdin.readLineSync();
              if (word == null) {
                print("No value provided");
                break;
              }

              if (word.isNotEmpty) {
                for (int rune in word.runes) {
                  print(rune);
                }
              } else {
                print("Exiting...");
              }

            } while(word.isNotEmpty);


          }