Dart StringBuffer example

dart_StringBuffer_example.dart

main() {
  StringBuffer sb = new StringBuffer('initial_content');

  print('sb.length is ${sb.length}');
  print('${sb.toString()}\n');
  
  sb.write("_Hello");
  sb.writeAll(['_space', '_and', '_more']);
 
  print('sb.length is ${sb.length}');
  print('${sb.toString()}\n');
  
  sb.clear();

  print('sb.isEmpty? ${sb.isEmpty}\n');

  sb.writeAll(['It\'s all', ' fun', ' and', ' games']);
 
  print('sb.length is ${sb.length}');
  print('${sb.toString()}\n');
  
  sb.clear();
}