---
name: "__gnu_pbds::null_mapped_type"
section: "3cxx"
platform: "linux"
package: "libstdc++6-4.6-doc"
version: "4.6.3-14"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/__gnu_pbds::null_mapped_type"
---

# \_\_gnu\_pbds::null\_mapped\_type(3cxx)

## NAME

\_\_gnu\_pbds::null\_mapped\_type -

## SYNOPSIS

## Detailed Description

A mapped-policy indicating that an associative container is a set.

Definition at line 89 of file tag\_and\_trait.hpp.

## Author

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