language: C++11 (gcc-4.7.2)
date: 470 days 12 hours ago
link:
visibility: private 
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#include <tuple>
 
template <typename... Fields>
class Record {
  private:
    typedef std::tuple<Fields...> tuple_t;
    tuple_t list;
 
  public:
    Record() {}
 
    template<unsigned I>
    auto get()
        -> typename std::tuple_element<
               I, tuple_t>::type&
    {
        return std::get<I>(list);
    }
};
 
template<unsigned I, class... Fields>
auto get(Record<Fields...>& r)
  -> decltype(r.template get<I>())
{
  return r.template get<I>();
}
 
int main() {
    Record<int, double> r;
    get<0>(r);
    return 0;
}