anchor.diff:   *
    *     main() {
    *        var options = parseOptions();
  - *        lint().then(() {
  + *        lint().then((_) {
    *          if (options.forceDeploy) deploy();
    *        });
    *     }
  
positive.code:  *     import 'package:polymer/builder.dart';
   *
   *     main() {
   *        lint().then(() => deploy());
   *     }
   *
   * **Example 3**: Runs the linter, but conditionally does the deploy step. See
  
negative.code: 
  /**
   * Common logic to make it easy to run the polymer linter and deploy tool.
   *
   * The functions in this library are designed to make it easier to create
   * `build.dart` files. A `build.dart` file is a Dart script that can be invoked
   * from the command line, but that can also invoked automatically by the Dart
  