What’s New in C++23 - Sy Brand - CppCon 2022

Explore the latest features and improvements in C++23, including flexible printing, improved coroutines, and enhanced error handling, with Sy Brand's expert insights at CppCon 2022.

Key takeaways

New features in C++23:
- std::print allows for more flexible printing with format specifiers
- std::generator is a new coroutine feature
- std::span is improved with operator overloading
- std::views have new functionality, including zip, transform, and chunk
- std::optional and std::expected have improved APIs
- std::multiple_view is a new feature for working with multidimensional arrays
- std::byte_swap is a new function for swapping byte order
- std::attribute allows for adding attributes to lambdas
- std::std::stack_trace is a new feature for debugging
Coroutines in C++23:
- std::generator is a coroutine that can be resumed and paused
- Coroutines have improved language support
Memory management:
- std::unique_ptr is used as a smart pointer
- std::shared_ptr is used for shared ownership
Code organization:
- Code can be organized into modules using import and std modules
- std::compat module imports C API names into the global namespace
Error handling:
- std::optional and std::expected have improved error handling
- std::expected allows for more detailed error information

What’s New in C++23 - Sy Brand - CppCon 2022

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