`po` gives `error: :1:1: error: use of unresolved identifier`

Question

I have this problem with po in the console where trying to output a function works in itself, but outputting a variable or constant doesn\'t.

Answer 1

If your project is using Swift, there are two separate "Optimization Level" settings in the project/target configuration. Its not only "SWIFT_OPTIMIZATION_LEVEL". Check this link: https://stackoverflow.com/a/32984193/2060180

I'll leave it here in case it's useful to someone.