What are the new features of macros in C++20?
C++20 introduced several enhancements to macros, including improved support for constexpr and the new #include_next directive.
Can you explain how constexpr works with macros?
Sure! In C++20, you can use constexpr in macros to create compile-time constants, allowing for more efficient code.
Are there any limitations to using macros in C++20?
Yes, while macros are powerful, they can lead to code that is hard to debug and maintain. It's often better to use inline functions.
What is the #include_next directive?
The #include_next directive allows you to include the next file with the same name in the search path, which is useful for overriding headers.
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