syntax_data: {"ast_node_type":"function","tokens":[{"end":74,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn new_maybe_uninit(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> {
context_before:     #[inline]
context_after:         let def_id = tcx.require_lang_item(LangItem::MaybeUninit, DUMMY_SP);