syntax_data: {"ast_node_type":"variable","tokens":[{"end":85,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let poll_adt_ref = tcx.adt_def(tcx.require_lang_item(LangItem::Poll, body.span));
context_before:     // Replace the return variable: Poll<RetT> to Poll<()>
context_after:     let poll_enum = Ty::new_adt(tcx, poll_adt_ref, tcx.mk_args(&[tcx.types.unit.into()]));