po in LLDB with swift

Question

How can I plot out variable\'s value in a Swift App with LLDB?

Earlier it was like po variable_name

Now I usually get some nasty error, like:

Answer 1

Great answers in this page about swift defaulting to return the description when running lldb) po

If it helps, when hitting errors with lldb and Swift objects I alway tried to be in a good place.

First, tell lldb you are in a Swift context (not Objective-C):

(lldb) settings set target.language swift

Then I would always double-check I had imported the Framework..

lldb) exp import WebKit
(lldb) expr let $ds = unsafeBitCast(0x6000006d74b0, to: WKWebsiteDataStore.self)
(lldb) po $ds