What are the new features in C++20 for exception handling?
An example of an AI chatbot conversation about C++20's enhancements in exception handling.
What are the new features in C++20 for exception handling?
C++20 introduces several enhancements, including the new 'std::unexpected' and 'std::terminate' functions, which improve error handling.
Can you explain how 'std::unexpected' works?
Sure! 'std::unexpected' is called when a function throws an exception that it didn't expect. You can customize its behavior.
What about the 'noexcept' specifier? Has it changed?
Yes, C++20 allows 'noexcept' to be used with lambdas, making it easier to specify exception guarantees in your code.
Are there any new best practices for using exceptions in C++20?
It's recommended to use 'std::optional' or 'std::variant' for error handling instead of exceptions in performance-critical code.
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