---
name: "std::__detail::_Equality_base"
section: "3cxx"
platform: "linux"
package: "libstdc++-9-doc"
version: "9.3.0-22"
release: "Debian 11 (Bullseye)"
platforms: ["linux"]
url: "https://new.carta.tech/std::__detail::_Equality_base"
---

# std::\_\_detail::\_Equality\_base(3cxx)

## NAME

std::\_\_detail::\_Equality\_base

## SYNOPSIS

Inherited by **std::\_\_detail::\_Equality\< \_Key, \_Value, \_Alloc, \_ExtractKey, \_Equal, \_H1, \_H2, \_Hash, \_RehashPolicy, \_Traits, false \>**.

### Static Protected Member Functions

template\<typename \_Uiterator \> static bool **\_S\_is\_permutation** (\_Uiterator, \_Uiterator, \_Uiterator)\

## Detailed Description

struct \_Equality\_base.

Common types and functions for class \_Equality.

Definition at line 1857 of file hashtable\_policy.h.

## Author

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