What are common C++ template errors and how can I fix them?

What are common C++ template errors and how can I fix them?

Common C++ template errors include 'template argument deduction fails', 'no matching function for call', and 'ambiguous overload'. To fix them, ensure that the types you are using match the template parameters and that you are not missing any required template arguments.

Can you explain what 'template argument deduction fails' means?

'Template argument deduction fails' occurs when the compiler cannot deduce the template parameters from the function arguments provided. This often happens if the types are incompatible or if there are too few arguments.

How can I resolve ambiguous overload errors?

To resolve ambiguous overload errors, you should ensure that the function calls are unambiguous by providing explicit template arguments or by refining the overloads to make them distinct.

Are there any tools to help debug template errors?

Yes, tools like Clang-Tidy and Visual Studio's IntelliSense can help identify and debug template errors by providing detailed error messages and suggestions.