What are some examples of compile-time checking in C++?

What are some examples of compile-time checking in C++?

Compile-time checking in C++ ensures errors are caught during compilation. Examples include type checking, template instantiation, and constant expressions.

Can you explain how template instantiation works for compile-time checking?

Sure! Template instantiation occurs when a template is used with specific types. The compiler generates code based on the provided types, checking for type compatibility at compile time.

What happens if there's a type mismatch during template instantiation?

If there's a type mismatch, the compiler will generate an error, preventing the code from compiling. This helps catch errors early in the development process.

Are there any tools or techniques to help with compile-time checking?

Yes, tools like static analyzers and type checkers can help identify potential compile-time issues. Additionally, using modern C++ features like constexpr can enhance compile-time checks.