xcode7.0 lldb alloc init

(lldb) po [dicData objectForKey:@"tj"]

<object returned empty description>

 

(lldb) po @""

<object returned empty description>

 

(lldb) po nil

<nil>

 

(lldb) po dicTJ.count

error: Execution was interrupted, reason: Attempted to dereference an invalid ObjC Object or send it an unrecognized selector.

The process has been returned to the state before expression evaluation.

(lldb) po 1

1

 

(lldb) po @"abc"

abc