Explicitly use defaults for some parameters in template class instantiation

A template class can have multiple parameters that all have defaults.

template<typename UnderlyingT0 = int, typename UnderlyingtT1 = long, typename StringT = std::string>
struct options;

Instatiating the class with just default parameters is easy:

options<> my_default_options;

But what if I want to change a subset of parameters?

options<int, int, std::wstring> wstring_options;

It is not obvious that int is a default for the first parameter while for the second it isn't. Is there something like

options<default, int, std::wstring> wstring_options;

in C++?