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template<int N>
struct generator
{
	static template<class Head, class... Tail>
	T prototype(Head _head, Tail _args)
	{
		return generator<N-1>::prototype(_args);
	}
};
 
 
template<>
struct generator<1>
{
	static template<class Head>
	T prototype(Head _head)
	{
		return _head;
	}
};
 
int main()
{
	generator<10>::prototype(1,1,1,1,1, 1,1,1,1,1);
	auto a = generator<3>::prototype;
 
	return 0;
}

prog.cpp:4:9: error: expected unqualified-id before 'template'
  static template<class Head, class... Tail>
         ^
prog.cpp:15:9: error: expected unqualified-id before 'template'
  static template<class Head>
         ^
prog.cpp: In function 'int main()':
prog.cpp:24:2: error: 'prototype' is not a member of 'generator<10>'
  generator<10>::prototype(1,1,1,1,1, 1,1,1,1,1);
  ^
prog.cpp:25:11: error: 'prototype' is not a member of 'generator<3>'
  auto a = generator<3>::prototype;
           ^

Standard output is empty