Compiler support for C++26

 

C++

Compiler support

Freestanding and hosted

Language

Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Metaprogramming library (C++11)

Diagnostics library

General 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)

Concurrency support library (C++11)

Technical specifications

Symbols index

External libraries

 

Compiler support

C++11

C++14

C++17

C++20

C++23

C++26

 

C++26 core language features

C++26 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
DR: Removing undefined behavior from lexing	P2621R2	Yes	3.3
DR: Making non-encodable string literals ill-formed	P1854R4		14
Unevaluated strings	P2361R6		17 (partial)*
Adding @, $, and ` to the basic character set	P2558R2		Yes
constexpr cast from void*	P2738R1	14	17
DR: On the ignorability of standard attributes	P2552R2
DR: Static storage for braced initializers	P2752R2	14
User-generated static_assert messages	P2741R2		17
Placeholder variables with no name	P2169R4		18
C++26 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

C++26 library features

C++26 feature	Paper(s)	GCC libstdc++	Clang libc++	MSVC STL	Apple Clang	Sun/Oracle C++ Standard Library	Embarcadero C++ Builder Standard Library
Testing for success or failure of <charconv> functions	P2497R0
std::text_encoding: text encodings identification	P1885R12
Arithmetic overloads of std::to_string and std::to_wstring use std::format	P2587R3
Type checking format args	P2757R3
Formatting pointers	P2510R3	14	17
Hashing support for std::chrono value classes	P2592R3
Read-copy update (RCU)	P2545R4
Hazard pointers	P2530R3
ADL-proof std::projected	P2538R1	14		19.38*
constexpr stable sorting	P2562R1
Member visit	P2637R3
std::is_within_lifetime in constant evaluation	P2641R4
Extending associative containers with the remaining heterogeneous overloads	P2363R5
Enabling the use of std::weak_ptr as keys in unordered associative containers	P1901R2
Native handles in file streams	P1759R6
Interfacing string streams with std::string_view	P2495R3
Interfacing std::bitset with std::string_view	P2697R1
More constexpr for <cmath> and <complex>	P1383R2	4.6 (partial)*
Adding the new 2022 SI prefixes on ratios: std::quecto, std::ronto, std::ronna, and std::quetta	P2734R0		17
std::function_ref: type-erased callable reference	P0792R14
std::copyable_function	P2548R6
std::bind_front, std::bind_back, and std::not_fn to NTTP callables	P2714R1
std::submdspan()	P2630R4
Freestanding Language: Optional ::operator new	P2013R5			N/A
C++26 feature	Paper(s)	GCC libstdc++	Clang libc++	MSVC STL	Apple Clang	Sun/Oracle C++ Standard Library	Embarcadero C++ Builder Standard Library