How to perform 'Async Get File Size' in OCaml.
(* Task: Async Get File Size
(* Language: OCaml
let async_get_file_size() =
(* Implementation for Async Get File Size
let result = ...; (* Initialize variable
(* TODO: Implement core logic here
(* Step 1: Prepare data
(* Step 2: Process Async Get File Size
print_endline("Done");
;;