首先感谢祖国，可以无忧无虑的码代码 ~

If I have seen further, it is by standing on the shoudlers of giants.

本来想在原本的文章中添加，结果不让添加

只能新开一篇

runtime_01

1. ivar_getTypeEncoding

ivar_getTypeEncoding

/** 
 * Returns the type string of an instance variable.
 * 
 * @param v The instance variable you want to enquire about.
 * 
 * @return A C string containing the instance variable's type encoding.
 *
 * @note For possible values, see Objective-C Runtime Programming Guide > Type Encodings.
 */
OBJC_EXPORT const char * _Nullable
ivar_getTypeEncoding(Ivar _Nonnull v) 
    OBJC_AVAILABLE(10.5, 2.0, 9.0, 1.0, 2.0);

https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtTypeEncodings.html#//apple_ref/doc/uid/TP40008048-CH100-SW1

2. objc_property_attribute_t

objc_property_attribute_t

/// Defines a property attribute
typedef struct {
    const char * _Nonnull name;           /**< The name of the attribute */
    const char * _Nonnull value;          /**< The value of the attribute (usually empty) */
} objc_property_attribute_t

https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtPropertyIntrospection.html

不定期更新 不合适的地方 还请指点~ 感激不尽
愿祖国繁荣昌盛~
o(*￣3￣)o