---
name: "__gnu_pbds::detail::trie_node_metadata_dispatch"
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::trie_node_metadata_dispatch"
---

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

Trie node metadata dispatch.

## NAME

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

## SYNOPSIS

\#include \<node\_metadata\_selector.hpp\>

### Public Types

typedef **trie\_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::trie\_node\_metadata\_dispatch\< Key, Data, Cmp\_Fn, Node\_Update, \_Alloc \>"Trie node metadata dispatch.

## Author

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