Print the UIView view level with gdb command Po (print-object)

UIView has a private method:

Recursivedescription This method can show the detail level of the current view, can be called directly in the code, or it can be called in GdB, and is called with the help of another GDB command in GDB: Print-object:  Recursivedescription: because it is a private method, you do not have any prompts when typing, and be careful not to lose the error. Tips: If you want to know the difference between print and print-object, use the help command: we are concerned with the display of data, so: so you should have some clues, if you want to know more detailed description: GDB is very powerful, more helpful.