Compiler support for 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

 

Compiler support

C++11

C++14

C++17

C++20

C++23

 

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++ (ex Portland Group/PGI)	Nvidia nvcc
Literal suffix for (signed) size_t	P0330R8	11	13
Make () more optional for lambdas	P1102R2	11	13
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	11	12
contains() for basic_string / basic_string_view	P1679R3	11	12
std::to_underlying	P1682R3	11	13
std::visit for classes derived from std::variant	P2162R2		13	19.20**
Relaxing requirements for time_point<>::clock	P2212R2	N/A		N/A
DR: Repairing input range adaptors and std::counted_iterator	P2259R1
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