Bit manipulation (since C++20)
From cppreference.com
 
 
 
 
 
 C++ 
 Feature test macros (C++20)
 Concepts library (C++20)
 Metaprogramming library (C++11)
 Ranges library (C++20)
 Filesystem library (C++17)
 Concurrency support library (C++11)
 Execution control library (C++26)
Utilities library 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Relational operators (deprecated in C++20) Integer comparison functions  
 
 
 
 Swap and type operations  Common vocabulary types 
 Type support (basic types, RTTI)
 Library feature-test macros (C++20)
(C++11)
(C++20)
(C++26)
(C++20)
 Coroutine support (C++20)
 Contract support (C++26)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
  (C++20)(C++20)(C++20)
  (C++20)(C++20)(C++20)
 General utilities
(C++20)(C++20)(C++20)
  (C++20)(C++20)(C++20)
(C++20)
Bit manipulation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(C++20)
(C++23)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
Provides several function templates to access, manipulate, and process individual bits and bit sequences.
Defined in header 
<bit>  Defined in namespace 
std (C++20)
(function template) [edit]
Integral powers of 2
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
Rotating
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
Counting
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
(C++20)
(function template) [edit]
Endian
(C++20)
(enum) [edit]
[edit] Notes
| Feature-test macro | Value | Std | Feature | 
|---|---|---|---|
| __cpp_lib_bit_cast | 201806L | (C++20) | std::bit_cast | 
| __cpp_lib_bitops | 201907L | (C++20) | Bit operations | 
| __cpp_lib_int_pow2 | 202002L | (C++20) | Integral power-of-2 operations | 
| __cpp_lib_byteswap | 202110L | (C++23) | std::byteswap | 
[edit] See also
C documentation  for Bit manipulation