What are some common mistakes when using constexpr in C++?
An example of an AI chatbot conversation about common mistakes with constexpr in C++.
What are some common mistakes when using constexpr in C++?
Some common mistakes include not using constexpr for functions that could be evaluated at compile time, or using it incorrectly with non-literal types.
Can you give an example of a mistake?
Sure! A common mistake is trying to use constexpr with a function that has a non-literal type as a return value, which won't work.
What about using constexpr with templates?
Using constexpr with templates can be tricky. A mistake is not ensuring that all template parameters are constexpr-compatible.
How can I debug constexpr issues?
You can debug constexpr issues by simplifying your expressions and checking if they can be evaluated at compile time.
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