and-eq.md

title	ms.custom	ms.date	ms.reviewer	ms.suite	ms.technology	ms.tgt_pltfrm	ms.topic	apilocation	apitype	f1_keywords	dev_langs	helpviewer_keywords	ms.assetid	caps.latest.revision	author	ms.author	manager
and_eq | Microsoft Docs		11/04/2016			cpp-standard-libraries		article	msvcrt.dll msvcr80.dll msvcr90.dll msvcr100.dll msvcr100_clr0400.dll msvcr110.dll msvcr110_clr0400.dll msvcr120.dll msvcr120_clr0400.dll ucrtbase.dll	DLLExport	and_eq std.and_eq std::and_eq	C++	and_eq macro	11091772-e359-4c2b-95c6-00841ac04354	12	corob-msft	corob	ghogen

and_eq

An alternative to the &= operator.

Syntax

  
#define and_eq &=  
  

Remarks

The macro yields the operator &=.

Example

// iso646_and_eq.cpp  
// compile with: /EHsc  
#include <iostream>  
#include <iso646.h>  
  
int main( )  
{  
   using namespace std;  
   int a = 3, b = 2, result;  
  
   result= a &= b;  
   cout << result << endl;  
  
   result= a and_eq b;  
   cout << result << endl;  
}  

2  
2  

Requirements

Header: <iso646.h>