1 // PR c++/60130 2 // { dg-do compile { target c++11 } } 3 4 #include <tuple> 5 6 template <class S, class F, class... T> f1(F f,T...x)7S f1(F f, T... x) 8 { 9 return std::get<0>(std::make_tuple(f(x)...)); 10 } 11 12 template <class... T> f2(const T...x)13int f2(const T... x) 14 { 15 return std::get<0>(std::make_tuple(f1<T>([](int n){return n;}, x)...)); 16 } 17 main()18int main() 19 { 20 return f2(42); 21 } 22