How to Transaction Rollback in OCaml - Code Snippet

(* Task: Transaction Rollback
(* Language: OCaml

let transaction_rollback() =
    (* Implementation for Transaction Rollback
    let result = ...; (* Initialize variable
    (* TODO: Implement core logic here
    (* Step 1: Prepare data
    (* Step 2: Process Transaction Rollback
    print_endline("Done");
;;