variadic template constructor matches better than copy constructor

1// C++11 way
2template <typename... > struct typelist;
3
4template <typename... Args,
5		  	typename = typename std::enable_if<
6          		!std::is_same<typelist<Bar>,
7                			  typelist<typename std::decay<Args>::type...>
8                >::value
9            >::type
10         >
11Bar(Args&&... args)
12{
13}
14