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LIRS cache
==========
The low inter-reference recency set cache is one that, like [LRU](./LRU.md), uses recency as its basis for behavior. Unlike, LRU however, LIRS uses access recency of other cache elements relative to any other block to determine its eviction policy.
*Before reading this page please make sure that you've read and understand the [Basic Usage patterns](./Using.md).*
General usage
-------------
To create a core.cache `LRUCache` instance you can do the following:
```clojure
(ns your.lib
(:require [clojure.core.cache :as cache]))
(def C (cache/lirs-cache-factory {}))
```
Most of the trival examples will likely look very similar to the examples found in the [LRU](./LRU.md) page. See the discussion in the next section why you might wish to choose LIRS instead.
Like all of the implementations in core.cache, `LRUCache` instances operate like regular maps and are immutable. All caveats apply regarding the [proper usage patterns](./Using.md).
LIRS cache use cases
--------------------
TODO
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