{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"self.with_parent(coroutine_def,"}]}
                self.with_parent(coroutine_def, |this| this.visit_expr(body));
                    self.create_def(coroutine_kind.closure_id(), None, DefKind::Closure, span);
            }