{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"self.coroutine_kind(def_id)"}]}
            self.coroutine_kind(def_id)
        if let Some(hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure)) =
            && let ty::Coroutine(_, args) = self.type_of(def_id).instantiate_identity().kind()