package sihl

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Source file utils_random_service.ml

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module Sig = Utils_random_service_sig

module Make () : Sig.SERVICE = struct
  let rec rand result n =
    if n > 0 then rand Base.(result ^ Char.to_string (Random.ascii ())) (n - 1)
    else result

  let base64 ~bytes =
    Base64.encode_string ~alphabet:Base64.uri_safe_alphabet @@ rand "" bytes

  let lifecycle =
    Core.Container.Lifecycle.make "random"
      (fun ctx ->
        Random.self_init ();
        Lwt.return ctx)
      (fun _ -> Lwt.return ())
end
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