File indexing completed on 2024-04-06 11:56:18
0001 #ifndef GENERS_COLLECTTUPLENAMES_HH_
0002 #define GENERS_COLLECTTUPLENAMES_HH_
0003
0004 #include <cassert>
0005 #include <string>
0006 #include <utility>
0007 #include <vector>
0008
0009 namespace gs {
0010 namespace Private
0011 {
0012 template<typename Tuple, int N>
0013 struct TupleNameCycler
0014 {
0015 inline static void collect(const Tuple& t,
0016 std::vector<std::string>* n)
0017 {
0018 TupleNameCycler<Tuple, N-1>::collect(t, n);
0019 n->push_back((std::get<N-1>(t)).name());
0020 }
0021 };
0022
0023 template<typename Tuple>
0024 struct TupleNameCycler<Tuple, 0>
0025 {
0026 inline static void collect(const Tuple&,
0027 std::vector<std::string>* s)
0028 {assert(s); s->clear();}
0029 };
0030 }
0031
0032 template<typename Pack>
0033 std::vector<std::string> collectTupleNames(const Pack& pack)
0034 {
0035 std::vector<std::string> v;
0036 Private::TupleNameCycler<Pack,std::tuple_size<Pack>::value>::collect(
0037 pack, &v);
0038 return v;
0039 }
0040 }
0041
0042 #endif
0043
