t the [**example**](../../examples/all_features/stringification.cpp) which shows how to stringify ```std::vector<T>``` and other types/exceptions.
- Note that the type ```String``` is used when specializing ```StringMaker<T>``` or overloading ```toString()``` - it is the string type **doctest** works with. ```std::string``` is not an option because doctest would have to include the ```<string>``` header.
- To support the ```operator<<(std::ostream&...``` stringification the library has to offer a forward de