anchor.diff:      // otherwise dartpadable, yeah :)
       return true;
     }
  +
  +
   }
  
positive.code:           path.endsWith('main.dart') ||
            path.endsWith('styles.css');
      })) {
        return false;
      }
  
  
negative.code:       var analyzer = new AnalyzerUtil();
        List<String> libraries = analyzer.findLibraries(dartFile.readAsStringSync());
        if (libraries.any((l) => l == 'dart:io')) {
          print("Skipping ${dirName}: Dartpads can't import dart:io.");
          return false;
        }
        if (libraries.any((l) => ! l.startsWith('dart:'))) {
          print("Skipping ${dirName}: Dartpads can't import packages.");
          return false;
        }
      }
  