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#ifndef GENERS_COLLECTTUPLENAMES_HH_
#define GENERS_COLLECTTUPLENAMES_HH_
#include <cassert>
#include <string>
#include <utility>
#include <vector>
namespace gs {
namespace Private
{
template<typename Tuple, int N>
struct TupleNameCycler
{
inline static void collect(const Tuple& t,
std::vector<std::string>* n)
{
TupleNameCycler<Tuple, N-1>::collect(t, n);
n->push_back((std::get<N-1>(t)).name());
}
};
template<typename Tuple>
struct TupleNameCycler<Tuple, 0>
{
inline static void collect(const Tuple&,
std::vector<std::string>* s)
{assert(s); s->clear();}
};
}
template<typename Pack>
std::vector<std::string> collectTupleNames(const Pack& pack)
{
std::vector<std::string> v;
Private::TupleNameCycler<Pack,std::tuple_size<Pack>::value>::collect(
pack, &v);
return v;
}
}
#endif // GENERS_COLLECTTUPLENAMES_HH_
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