---
name: "__gnu_pbds::detail::lu_counter_metadata"
section: "3cxx"
platform: "linux"
package: "libstdc++-12-doc"
version: "12.4.0-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/__gnu_pbds::detail::lu_counter_metadata/3cxx"
---

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

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

Generated automatically by Doxygen for libstdc++ from the source code.