gcc/testsuite/g++.dg/cpp0x/variadic116.C

   1 // Origin: PR c++/48320
   2 // { dg-options -std=c++0x }
   3
   4 template<class... T>
   5 struct tuple
   6 {
   7     typedef int type;
   8 };
   9
  10 template<int... Indices>
  11 struct indices
  12 {
  13 };
  14
  15 template<unsigned i, class Tuple>
  16 struct tuple_element
  17 {
  18     typedef Tuple type;
  19 };
  20
  21 template<class Tuple,
  22          int... Indices,
  23          class Result = tuple<typename tuple_element<Indices, Tuple>::type...> >
  24 Result
  25 f(Tuple&&, indices<Indices...>);
  26
  27
  28 void
  29 foo()
  30 {
  31     f(tuple<int, char, unsigned> (), indices<2, 1, 0> ());
  32 }