anchor.diff:  
   
     it('should do type implementedBy binding', () {
  -    var module = new Module()
  -      ..type(Engine, implementedBy: MockEngine);
  +    var module = new Module()..type(Engine, implementedBy: MockEngine);
   
       var binding = module.bindings[Engine];
       expect(binding, isNotNull);
  
positive.code:   Engine engine;
    Injector injector;
  
    Car(Engine this.engine, Injector this.injector);
  }
  
  class NumDependency {
  
negative.code: testModule() => describe('Module', () {
  
    it('should do basic type binding', () {
      var module = new Module()..type(Engine);
  
      var binding = module.bindings[Engine];
      expect(binding, isNotNull);
  