contexts can customize the implementation of standard algorithms for optimal performance. ● Key Features: ● Combining scheduler and policy. ● Minimal, incremental API changes.Combining Scheduler with and 4 are likely to make C++26. 2 and 3 will be beyond C++ 26. These are just some of the likely features that have progressed sufficiently and fit in a talk format, though they still may enter the standard

std::byteswap()  std::to_underlying()  Associative Containers Heterogeneous Erasure  Removed Features  Garbage Collection SupportC++23 Core Language6 Agenda  C++23 Core Language  Explicit Object std::byteswap()  std::to_underlying()  Associative Containers Heterogeneous Erasure  Removed Features  Garbage Collection Support7 Explicit Object Parameters  Instead of implicit this, explicitly std::byteswap()  std::to_underlying()  Associative Containers Heterogeneous Erasure  Removed Features  Garbage Collection Support13 if consteval  Syntax: if consteval { /* A */ } else { /* B */

C++20 STL Features: 1 Year of Development on GitHub Stephan T. Lavavej "Steh-fin Lah-wah-wade" Principal Software Engineer, Visual C++ Libraries stl@microsoft.com @StephanTLavavej 1 Version 1.0 - September down the slide numbers • Part 0: Overview • What's happened in the last year • Part 1: C++20 STL Features • Everything here is Standard, except as noted • Part 2: GitHub Development • For contributors 2019 • github.com/microsoft/STL • Apache License v2.0 with LLVM Exception • Implemented ~50 C++20 features • Majority from our amazing contributors • Extensively reviewed and tested • Released VS 2019

Version 1.0 - September 15, 2020 1 C++20 STL Features: 1 Year of Development on GitHub Stephan T. Lavavej "Steh-fin Lah-wah-wade" Principal Software Engineer, Visual C++ Libraries stl@microsoft.com @StephanTLavavej2 down the slide numbers • Part 0: Overview • What's happened in the last year • Part 1: C++20 STL Features • Everything here is Standard, except as noted • Part 2: GitHub Development • For contributors • github.com/microsoft/STL • Apache License v2.0 with LLVM Exception • Implemented ~50 C++20 features • Majority from our amazing contributors • Extensively reviewed and tested • Released VS 2019

Leveraging C++20/23 Features for Low Level InteractionsOverview In a baremetal environment, we’re going to demonstrate e�ective use of C++ How did we end up with C language HW interactions? What are best e�ectively in line with C++ best practices? �. See also Stroustrup (2023), in referencesKey C++ Safety Features There’s lots, but…. Lifetime Management Smart pointers handle new/delete for you. We’ll mostly

more of your code than your poor overworked development team • Leverage c++’s many compile-time features to build rich, descriptive types • Thank you

Design 28 f(); call [got_slot_42] got_slot_42: &”resolve_42” loader resolver>: {… 0x789 push 42 jmp resolver> lib f: … 0x789 procedure_lookup_stub_42 jmp [got_slot_42]Lazy Binding Design 29 f(); call [got_slot_42] got_slot_42: &”resolve_42” loader resolver>: {… 0x789 push 42 jmp resolver> lib f: … 0x789 procedure_lookup_stub_42 jmp [got_slot_42]Lazy Binding procedure_lookup_stub_42 push 42 jmp resolver> jmp [got_slot_42] push 42 jmp resolver> jmp [got_slot_41] … … push 42 jmp resolver> jmp [got_slot_43] Procedure Lookup Table

model; 3 // int num_threads; 4 5 tflite::ops::builtin::BuiltinOpResolver resolver; 6 tflite::InterpreterBuilder builder{*model, resolver}; 7 8 builder.SetNumThreads(num_threads); 9 10 std::unique_ptr

.. or actors Two main cases in practice • concurrent queues • networking sockets io_context, resolver, acceptor, end_point, asio::buffer, async_read/write, serialization... 54Communication? • Abstraction: .. or actors Two main cases in practice • concurrent queues • networking sockets io_context, resolver, acceptor, end_point, asio::buffer, async_read/write, serialization... 55Communication? • Abstraction:

. . . . . . . . . . . . . . . . . . . . . . 9 Chapter 01: Towards Modern C++ 9 1.1 Deprecated Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2 Compatibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 Chapter 09 Minor Features 85 9.1 New Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . optimization for C++11, and C++20 brings this language to the door of modernization. The extended features of all these new standards are integrated into the C++ language and infuse it with new vitality