pybind11/tests/test_builtin_casters.cpp

91     static std::pair<RValueCaster, RValueCaster> lvpair;
92     static std::tuple<RValueCaster, RValueCaster, RValueCaster> lvtuple;
93     static std::pair<RValueCaster, std::tuple<RValueCaster, std::pair<RValueCaster, RValueCaster>>> lvnested;
94     m.def("rvalue_pair", []() { return std::make_pair(RValueCaster{}, RValueCaster{}); });
96     m.def("rvalue_tuple", []() { return std::make_tuple(RValueCaster{}, RValueCaster{}, RValueCaster{}); });
99         return std::make_pair(RValueCaster{}, std::make_tuple(RValueCaster{}, std::make_pair(RValueCaster{}, RValueCaster{}))); });