Safe copy to array of char

StringCopy.h

#include <string>
#include <type_traits>

template<
	class T, 
	size_t N,
	typename = std::enable_if_t< (N > 0) >
	>
void Copy(T (&lhs)[N], const std::basic_string<T> & rhs)
{
	const std::basic_string<T>::size_type cnt = (std::min<std::basic_string<T>::size_type>)(N - 1, rhs.length());
	if (cnt)
	{
		rhs.copy(lhs, cnt, 0);
	}
	lhs[cnt] = '\0';
}

template<
	class T,
	size_t N,
	typename = std::enable_if_t< (N > 0) >
	>
	void Copy(T(&lhs)[N], const T * rhs)
{
	//TODO: replace strlen with template StringLength<T>(s)
	const std::basic_string<T>::size_type cnt = (std::min<std::basic_string<T>::size_type>)(N - 1, strlen(rhs));
	if (cnt)
	{
		//TODO: replace strlen with template StringNCopy<T>(dst, src, cnt)
		strncpy(lhs, rhs, cnt);
	}
	lhs[cnt] = '\0';
}


void main()
  char dst[10];

  Copy(dst, std::string(""));
  Copy(dst, std::string("1"));
  Copy(dst, std::string("12345"));
  Copy(dst, std::string("123456789"));
  Copy(dst, std::string("12345678901234567890"));

  Copy(dst, "");
  Copy(dst, "1");
  Copy(dst, "12345");
  Copy(dst, "123456789");
  Copy(dst, "12345678901234567890");
}


//template<
//	class T,
//	size_t N,
//	size_t M,
//	typename = std::enable_if_t< (N > 0) >
//	>
//	void Copy(T(&lhs)[N], const T(&rhs)[M])
//{
//	//TODO: replace strlen with template StringLength<T>(s)
//	const std::basic_string<T>::size_type cnt = (std::min<std::basic_string<T>::size_type>)(N - 1, M);
//	if (cnt)
//	{
//		//TODO: replace strlen with template StringNCopy<T>(dst, src, cnt)
//		strncpy(lhs, rhs, cnt);
//	}
//	lhs[cnt] = '\0';
//}