What are the new features of constexpr in C++20?
An example of an AI chatbot conversation about C++20's constexpr usage and features.
What are the new features of constexpr in C++20?
C++20 enhances constexpr by allowing dynamic memory allocation, virtual calls, and more complex expressions at compile time.
Can you give an example of using constexpr with dynamic memory allocation?
Sure! You can now use std::vector in a constexpr context, allowing you to create and manipulate vectors at compile time.
What are the benefits of using constexpr in C++20?
The benefits include improved performance, as computations can be done at compile time, and more expressive code.
Are there any limitations to constexpr in C++20?
Yes, while constexpr is more powerful, there are still some limitations, such as restrictions on certain types of operations.
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