开发常用小知识点记录

DEPRECATED_ATTRIBUTE 标识属性或方法过时

@property (assign, nonatomic) BOOL isLoading DEPRECATED_ATTRIBUTE;
- (instancetype)initFromURLWithString:(NSString *)urlString completion:(JSONModelBlock)completeBlock DEPRECATED_ATTRIBUTE;

DEPRECATED_MSG_ATTRIBUTE 过时标识并提示消息:
+ (NSMutableArray *)arrayOfModelsFromDictionaries:(NSArray *)array DEPRECATED_MSG_ATTRIBUTE("use arrayOfModelsFromDictionaries:error:");