C++ keywords: and_eq

 

C++

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Technical Specifications

 

C++ language

General topics
Preprocessor Comments	Keywords Escape sequences
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if	switch
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for range-for (C++11)	while do-while
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decltype (C++11) auto (C++11) alignas (C++11)	const/volatile constexpr (C++11)
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Class template Function template	Template specialization Parameter packs (C++11)
Miscellaneous
Inline assembly	History of C++

 

C++ keywords

alignas (C++11) alignof (C++11) and and_eq asm auto bitand bitor bool break case catch char char8_t (C++20) char16_t (C++11) char32_t (C++11) class compl concept (C++20) const consteval (C++20) constexpr (C++11) const_cast continue co_await (C++20) co_return (C++20) co_yield (C++20) decltype (C++11) default delete do	double dynamic_cast else enum explicit export extern false float for friend goto if inline int long mutable namespace new noexcept (C++11) not not_eq nullptr (C++11) operator or or_eq private protected public register	reinterpret_cast requires (C++20) return short signed sizeof static static_assert (C++11) static_cast struct switch template this thread_local (C++11) throw true try typedef typeid typename union unsigned using virtual void volatile wchar_t while xor xor_eq
Identifiers with special meaning
audit (C++20) axiom (C++20)	final (C++11) override (C++11)	import (C++20) module (C++20)

 

Usage

• alternative operators: as an alternative for &=

Example

Run this code

#include <iostream>
#include <bitset>
int main()
{
    std::bitset<4> mask("1100");
    std::bitset<4> val("0111");
    val and_eq mask;
    std::cout << val << '\n';
}

Output:

0100