.. index:: single: union_find
.. _union_find/0:

.. rst-class:: right

**object**

``union_find``
==============

Union find data structure implementation.

| **Availability:** 
|    ``logtalk_load(union_find(loader))``

| **Author:** José Antonio Riaza Valverde; adapted to Logtalk by Paulo Moura
| **Version:** 1:0:0
| **Date:** 2022-02-18

| **Compilation flags:**
|    ``static, context_switching_calls``


| **Implements:**
|    ``public`` :ref:`union_find_protocol <union_find_protocol/0>`
| **Extends:**
|    ``public`` :ref:`compound <compound/0>`
| **Uses:**
|    :ref:`avltree <avltree/0>`

| **Remarks:**
|    (none)

| **Inherited public predicates:**
|     :ref:`comparingp/0::(<)/2`  :ref:`comparingp/0::(=:=)/2`  :ref:`comparingp/0::(=<)/2`  :ref:`comparingp/0::(=\=)/2`  :ref:`comparingp/0::(>)/2`  :ref:`comparingp/0::(>=)/2`  :ref:`termp/0::check/1`  :ref:`termp/0::depth/2`  :ref:`union_find_protocol/0::disjoint_sets/2`  :ref:`union_find_protocol/0::find/4`  :ref:`union_find_protocol/0::find/5`  :ref:`termp/0::ground/1`  :ref:`union_find_protocol/0::make_set/3`  :ref:`termp/0::new/1`  :ref:`union_find_protocol/0::new/2`  :ref:`termp/0::numbervars/1`  :ref:`termp/0::numbervars/3`  :ref:`termp/0::occurs/2`  :ref:`termp/0::singletons/2`  :ref:`termp/0::subsumes/2`  :ref:`termp/0::subterm/2`  :ref:`union_find_protocol/0::union/4`  :ref:`union_find_protocol/0::union_all/3`  :ref:`termp/0::valid/1`  :ref:`termp/0::variables/2`  :ref:`termp/0::variant/2`  :ref:`termp/0::varnumbers/2`  :ref:`termp/0::varnumbers/3`  

.. 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)