---
name: "__gnu_cxx::constant_binary_fun"
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_cxx::constant_binary_fun/3cxx"
---

# \_\_gnu\_cxx::constant\_binary\_fun(3cxx)

An SGI extension .

## NAME

\_\_gnu\_cxx::constant\_binary\_fun\< \_Result, \_Arg1, \_Arg2 \> - An **SGI extension** .

## SYNOPSIS

`#include <functional>`

Inherits \_\_gnu\_cxx::\_Constant\_binary\_fun\< \_Result, \_Arg1, \_Arg2 \>.

### Public Types

typedef \_Arg1 **first\_argument\_type**\
 typedef \_Result **result\_type**\
 typedef \_Arg2 **second\_argument\_type**\

### Public Member Functions

**constant\_binary\_fun** (const \_Result &\_\_v)\
 const result\_type & **operator()** (const \_Arg1 &, const \_Arg2 &) const\

### Public Attributes

\_Result **\_M\_val**\

## Detailed Description

### template\<class \_Result, class \_Arg1 = \_Result, class \_Arg2 = \_Arg1\>

struct \_\_gnu\_cxx::constant\_binary\_fun\< \_Result, \_Arg1, \_Arg2 \>"An **SGI extension** .

## Author

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