{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"ty::Slice(_)"}]}
                            ty::Slice(_) | ty::Str => tcx.types.usize,
                        match tcx.struct_tail_for_codegen(pointee, cx.typing_env()).kind() {
                            ty::Dynamic(data, _, ty::Dyn) => mk_dyn_vtable(data.principal()),