How to Async SHA256 Hash in OCaml - Code Snippet

(* Task: Async SHA256 Hash
(* Language: OCaml

let async_sha256_hash() =
    (* Implementation for Async SHA256 Hash
    let result = ...; (* Initialize variable
    (* TODO: Implement core logic here
    (* Step 1: Prepare data
    (* Step 2: Process Async SHA256 Hash
    print_endline("Done");
;;