library app;
import 'dart:html';

part 'app2.dart';

/**
 * Class description and [link](http://dartlang.org/).
 */
@Awesome('it works!')
class SomeClass<S extends Iterable> extends BaseClass<S> implements Comparable {
  factory SomeClass(num param);
  SomeClass._internal(int q) : super() {
    assert(q != 1);
    double z = 0.0;
  }

  /// **Sum** function
  int sum(int a, int b) => a + b;

  ElementList els() => querySelectorAll('.dart');
}

String str = ' (${'parameter' + 'zxc'})';
String str = " (${true ? 2 + 2 / 2 : null})";
String str = r'\nraw\';
String str = r"\nraw\";
var str = '''
Something ${2+3}
''';
var str = r"""
Something ${2+3}
""";

checkVersion() async {
  var version = await lookUpVersion();
}