"Extra Chapter 2" Swift "Black Magic" dynamically obtains the value of the hidden attribute of a class instance - Code World

"Extra Chapter 2" Swift "Black Magic" dynamically obtains the value of the hidden attribute of a class instance

Mobile 2023-12-16 18:41:38 views: null

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Overview

When debugging Swift code, we are often amazed at the omnipotence of the debugger: the debugger can also clearly detect the contents of most "black box" class instances.

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Want to be able to easily find the value of a "private" property of a Thread instance (such as seqNum) yourself at runtime?

In this blog post you will learn the following:

Overview
1. Lend me, lend me a pair of eyes...
2. Traverse class instance attributes
3. Get the value of the class instance attribute
4. Use internal private classes
5. Failed “double” parsing
6. Back to square one: Everything can be super simple!
Summarize

Little talk

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Origin blog.csdn.net/mydo/article/details/134933626

"Extra Chapter 2" Swift "Black Magic" dynamically obtains the value of the hidden attribute of a class instance

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