---
name: "__gnu_pbds::detail::tree_node_metadata_dispatch"
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::tree_node_metadata_dispatch/3cxx"
---

# \_\_gnu\_pbds::detail::tree\_node\_metadata\_dispatch(3cxx)

Tree node metadata dispatch.

## NAME

\_\_gnu\_pbds::detail::tree\_node\_metadata\_dispatch\< Key, Data, Cmp\_Fn, Node\_Update, \_Alloc \> - Tree node metadata dispatch.

## SYNOPSIS

`#include <node_metadata_selector.hpp>`

### Public Types

typedef **tree\_metadata\_helper**\< \_\_node\_u, null\_update \>::type **type**\

## Detailed Description

### template\<typename Key, typename Data, typename Cmp\_Fn, template\< typename Node\_CItr, typename Const\_Iterator, typename Cmp\_Fn\_, typename \_Alloc\_ \> class Node\_Update, typename \_Alloc\>

struct \_\_gnu\_pbds::detail::tree\_node\_metadata\_dispatch\< Key, Data, Cmp\_Fn, Node\_Update, \_Alloc \>"Tree node metadata dispatch.

## Author

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