{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"std::iter::zip(formal_and_expected_inputs.iter(),"}]}
                std::iter::zip(formal_and_expected_inputs.iter(), removed_arg_tys.iter()).all(
                    .collect::<IndexVec<ProvidedIdx, _>>();
                    |((expected_ty, _), (provided_ty, _))| {