syntax_data: {"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let ty::Adt(adt, args) = ty.kind() else { bug!("expected adt") };
context_before: fn representability_adt_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Representability {
context_after:     if let Some(def_id) = adt.did().as_local() {