How to Async Calculate String Hash in OCaml - Code Snippet

(* Task: Async Calculate String Hash
(* Language: OCaml

let async_calculate_string_hash() =
    (* Implementation for Async Calculate String Hash
    let result = ...; (* Initialize variable
    (* TODO: Implement core logic here
    (* Step 1: Prepare data
    (* Step 2: Process Async Calculate String Hash
    print_endline("Done");
;;