.. index:: single: lru_cache
.. _lru_cache/0:

.. rst-class:: right

**object**

``lru_cache``
=============

Immutable LRU (Least Recently Used) caches.

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

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-09-08

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


| **Implements:**
|    ``public`` :ref:`lru_cache_protocol <lru_cache_protocol/0>`
| **Uses:**
|    :ref:`avltree <avltree/0>`
|    :ref:`list <list/0>`
|    :ref:`type <type/0>`

| **Remarks:**
|    (none)

| **Inherited public predicates:**
|     :ref:`lru_cache_protocol/0::as_list/2`  :ref:`lru_cache_protocol/0::capacity/2`  :ref:`lru_cache_protocol/0::clear/2`  :ref:`lru_cache_protocol/0::delete/4`  :ref:`lru_cache_protocol/0::empty/1`  :ref:`lru_cache_protocol/0::evict/3`  :ref:`lru_cache_protocol/0::get/4`  :ref:`lru_cache_protocol/0::lookup/3`  :ref:`lru_cache_protocol/0::new/2`  :ref:`lru_cache_protocol/0::put/4`  :ref:`lru_cache_protocol/0::size/2`  :ref:`lru_cache_protocol/0::update/5`  

.. 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:`lru_cache_protocol <lru_cache_protocol/0>`