syntax_data: {"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                             let expected_adt =
context_before:                         if let ty::Adt(resume_ty_adt, _) = sig.resume_ty.kind() {
context_after:                                 tcx.adt_def(tcx.require_lang_item(LangItem::ResumeTy, DUMMY_SP));