po = expression -O --
expression -lang objc -O -- = e -l objc -O --
image - commands for accessing information for one or more target modules.
image lookup - look up information within executable and dependent shared library images.
-n <function-or-symbol> ( --name <function-or-symbol> )
Lookup a function or symbol by name in one or more target modules.
-r ( --regex )
The <name> argument for name lookups are regular expressions.
-s <symbol> ( --symbol <symbol> )
Lookup a symbol by name in the symbol tables in one or more target modules.
image lookup -rn NSObject\(IvarDescription\)
NSObject(IvarDescription) - Objective-C category located in UIKitCore
only for instances
e -l objc -O -- [`self.view` _ivarDescription]
e -l objc -O -- [`self.view` _propertyDescription]
for classes and instances
e -l objc -O -- [UIView _methodDescription]
e -l objc -O -- [UIView _shortMethodDescription]
po view.value(forKey: "recursiveDescription")!
po view.value(forKey: "autolayoutTrace")!
e -l objc -O -- [UIViewController _printHierarchy]