我是编码新手，选择了一些开源项目来了解这个想法。我收到错误:Ambiguousreferencetomember'subscript'在下面的代码中:letpictures=(selectedRestaurant["Pictures"]as!NSArray)//Errorletpicture=(pictures[zoomedPhotoIndex]as!NSDictionary)letpictureURL=picture["url"]as!StringletimageURL=NSURL(string:pictureURL)leturlRequest=NSURLRequest(URL:im

我是编码新手，选择了一些开源项目来了解这个想法。我收到错误:Ambiguousreferencetomember'subscript'在下面的代码中:letpictures=(selectedRestaurant["Pictures"]as!NSArray)//Errorletpicture=(pictures[zoomedPhotoIndex]as!NSDictionary)letpictureURL=picture["url"]as!StringletimageURL=NSURL(string:pictureURL)leturlRequest=NSURLRequest(URL:im