//public:
template <typename... TArgs>
Int_t TNtuple::Fill(Float_t x, TArgs... args)
{
	std::size_t s = 0;
	return Fill(s, x, args...);
}

//protected:
template <typename... TArgs>
Int_t TNtuple::Fill(std::size_t& s, Float_t const& x, TArgs... args)
{
	if(fNVar <= s)return TTree::Fill();
	fArgs[s] = x;

	return Fill(++s, args...);
}

Int_t TNtuple::Fill(std::size_t& s)
{
	return TTree::Fill();
}