---
name: "Cache::LRU"
section: "3pm"
platform: "linux"
package: "libcache-lru-perl"
version: "0.04-4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Cache::LRU"
---

# Cache::LRU(3pm)

a simple, fast implementation of LRU cache in pure perl

## NAME

Cache::LRU - a simple, fast implementation of LRU cache in pure perl

## SYNOPSIS

```
    use Cache::LRU;
    my $cache = Cache::LRU->new(
        size => $max_num_of_entries,
    );
    $cache->set($key => $value);
    $value = $cache->get($key);
    $removed_value = $cache->remove($key);
```

## DESCRIPTION

Cache::LRU is a simple, fast implementation of an in-memory LRU cache in pure perl.

## FUNCTIONS

### Cache::LRU-\>new(size =\> $max\_num\_of\_entries)

Creates a new cache object.  Takes a hash as the only argument.  The only parameter currently recognized is the `"size"` parameter that specifies the maximum number of entries to be stored within the cache object.

### $cache-\>get($key)

Returns the cached object if exists, or undef otherwise.

### $cache-\>set($key =\> $value)

Stores the given key-value pair.

### $cache-\>remove($key)

Removes data associated to the given key and returns the old value, if any.

### $cache-\>clear($key)

Removes all entries from the cache.

## AUTHOR

Kazuho Oku

## SEE ALSO

Cache

Cache::Ref

Tie::Cache::LRU

## LICENSE

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

See \<http://www.perl.com/perl/misc/Artistic.html\>