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