{"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"&&"}]}
            && let hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure) =
        if let UpvarArgs::Coroutine(..) = args
                self.tcx.coroutine_kind(closure_def_id).expect("coroutine should have kind")