How to perform 'Async Format Date String' in SAS.
* Task: Async Format Date String
* Language: SAS
%macro async_format_date_string()
* Implementation for Async Format Date String
%let result = ...; * Initialize variable
* TODO: Implement core logic here
* Step 1: Prepare data
* Step 2: Process Async Format Date String
%put("Done");
%mend;