//#include <wchar_tiostream>
#include <iostream>

namespace std
{
namespace tr1
{
	template <class Ch>
	class A
	{
	public:
		void f()
		{
			std::cout << "I am std::tr1::A<Ch>::f()" << std::endl;
		}
	};

	template <>
	void A<wchar_t>::f()
	{
		std::wcout << L"I am std::tr1::A<wchar_t>::f()" << std::endl;
	}

}
}

namespace std
{
	using std::tr1::A;
}

int main( void )
{
	std::A<wchar_t> a;
	a.f();

	return 0;
}