2 // { dg-do compile { target c++14 } }
3 // { dg-options "-Wall -Wextra" }
5 auto count = [](auto&&... xs) // { dg-warning "unused parameter" }
11 template<typename... Ts>
12 auto operator()(Ts&&... xs) // { dg-warning "unused parameter" }
20 count_struct{}(1,2,3);