https://www.llvm.org/doxygen/structllvm_1_1detail_1_1ZippyIteratorTuple_3_01ItType_00_01const_01std_1_1tuple_3_01Args_8_8_8_0ab466ec482686c561b87d54463936f9d.html
LLVM: llvm::detail::ZippyIteratorTuple ItType, const std::tuple Args... , std::index_sequence...
llvmdetailconststdtuple