我没有看到这些构造被广泛使用，但我发现自己编写它们是为了在通常不会返回promise的函数中使用async/await，例如chan.consume(queue,(msg)=>{this.pendingMsgs++;//executedimmediately(async()=>{awaitthis.handleMessage(msg);this.pendingMsgs--;if(cancelled&&this.pendingMsgs===0){awaitchan.close();awaitthis.amqpConnectionPool.release(conn);}})();});相对