.. index:: single: ulid(Representation) .. _ulid/1:

.. rst-class:: right

object

ulid(Representation)

• Representation - Text representation for the ULID. Possible values are atom, chars, and codes. Universally Unique Lexicographically Sortable Identifier (ULID) generator.

  | Availability: | logtalk_load(ulid(loader))

  | Author: Paulo Moura | Version: 1:1:2 | Date: 2026-07-22

  | Compilation flags: | static, context_switching_calls

  | Implements: | public :ref:`ulid_protocol <ulid_protocol/0>` | Uses: | :ref:`crypto <crypto/0>` | :ref:`date <date/0>` | :ref:`os <os/0>` | :ref:`type <type/0>`

  | Remarks: | (none)

  | Inherited public predicates: |  :ref:ulid_protocol/0::generate/1  :ref:ulid_protocol/0::generate/2  :ref:ulid_protocol/0::generate/8  :ref:ulid_protocol/0::timestamp/2  :ref:ulid_protocol/0::timestamp/8  

  .. contents:: :local: :backlinks: top

Public predicates

(no local declarations; see entity ancestors if any)

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

(none)

.. seealso::

:ref:`ulid <ulid/0>`, :ref:`ulid_types <ulid_types/0>`, :ref:`cuid2(Representation,Size,Alphabet) <cuid2/3>`, :ref:`ids(Representation,Bytes) <ids/2>`, :ref:`ksuid(Representation,Alphabet) <ksuid/2>`, :ref:`nanoid(Representation,Size,Alphabet) <nanoid/3>`, :ref:`snowflakeid(Representation,EpochMilliseconds,TimeUnitMilliseconds,TimestampBits,NodeBits,SequenceBits,Node) <snowflakeid/7>`, :ref:`uuid(Representation) <uuid/1>`