---
name: "__gnu_pbds::detail::lu_counter_metadata"
section: "3"
platform: "linux"
package: "gcc"
version: "16.2.1+r23+gd564253eb6c8-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/__gnu_pbds::detail::lu_counter_metadata"
---

# \_\_gnu\_pbds::detail::lu\_counter\_metadata(3)

A list-update metadata type that moves elements to the front of the list based on the counter algorithm.

## NAME

\_\_gnu\_pbds::detail::lu\_counter\_metadata\< Size\_Type \> - A list-update metadata type that moves elements to the front of the list based on the counter algorithm.

## SYNOPSIS

\#include \<lu\_counter\_metadata.hpp\>

### Public Types

typedef Size\_Type **size\_type**\

### Friends

class **lu\_counter\_policy\_base\< size\_type \>**\

## Detailed Description

### template\<typename Size\_Type = std::size\_t\>

class \_\_gnu\_pbds::detail::lu\_counter\_metadata\< Size\_Type \>"A list-update metadata type that moves elements to the front of the list based on the counter algorithm.

## Author

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