25 lines
1 KiB
OCaml
25 lines
1 KiB
OCaml
(*---------------------------------------------------------------------------
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Copyright (c) 2024 The uuidm programmers. All rights reserved.
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SPDX-License-Identifier: CC0-1.0
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---------------------------------------------------------------------------*)
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(* Code from the quick start *)
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let uuid = Uuidm.v4_gen (Random.State.make_self_init ())
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let () = print_endline (Uuidm.to_string (uuid ()))
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let () = print_endline (Uuidm.to_string (uuid ()))
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let feed_id ~feed_id = "urn:uuid:" ^ (Uuidm.to_string feed_id)
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let entry_id ~feed_id ~rfc3339_stamp =
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"urn:uuid:" ^ (Uuidm.to_string @@ Uuidm.v5 feed_id rfc3339_stamp)
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let uuid_monotonic =
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let now_ms () = Int64.of_float (Unix.gettimeofday () *. 1000.) in
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Uuidm.v7_monotonic_gen ~now_ms (Random.State.make_self_init ())
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let rec uuid () = match uuid_monotonic () with
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| None -> (* Too many UUIDs generated in a ms *) Unix.sleepf 1e-3; uuid ()
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| Some uuid -> uuid
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let () = print_endline (Uuidm.to_string (uuid ()))
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let () = print_endline (Uuidm.to_string (uuid ()))
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