C++23

 

C++

Language

Standard Library Headers

Freestanding and hosted implementations

Named requirements

Language support library

Concepts library (C++20)

Diagnostics library

Utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Technical Specifications

 

Versions

C++98

C++03

C++11

C++14

C++17

C++20

C++23

Current Status

 

The next generation of the C++ standard

see: The current IS schedule for C++23

Compiler support

C++23 core language features

C++23 feature	Paper(s)	GCC	Clang	MSVC	Apple Clang	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Nvidia HPC C++	Nvidia nvcc
Literal suffix for (signed) size_t	P0330R8
C++23 feature	Paper(s)	GCC	Clang	MSVC	Apple Clang	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Nvidia HPC C++	Nvidia nvcc

C++23 library features

C++23 feature	Paper(s)	GCC libstdc++	Clang libc++	MSVC Standard Library	Apple Clang	Sun/Oracle C++ Standard Library	Embarcadero C++ Builder Standard Library	Cray C++ Standard Library
Stacktrace library	P0881R7
<stdatomic.h>	P0943R6
std::is_scoped_enum	P1048R1		12
contains() for basic_string / basic_string_view	P1679R3		12
C++23 feature	Paper(s)	GCC libstdc++	Clang libc++	MSVC Standard Library	Apple Clang	Sun/Oracle C++ Standard Library	Embarcadero C++ Builder Standard Library	Cray C++ Standard Library