Golang HTTP 的 longpolling 库 Golongpoll

Golongpoll 是 golang HTTP 的 longpolling 库，可以使构建 web pub-sub 更加容易。 基本用法： <pre style="box-sizing: border-box; overflow: auto; font-family: Consolas, &#39;Liberation Mono&#39;, Menlo, Courier, monospace; font-size: 13.6px; margin-top: 0px; margin-bottom: 0px; font-stretch: normal; line-height: 1.45; padding: 16px; border-radius: 3px; word-wrap: normal; word-break: normal; color: rgb(51, 51, 51); background-color: rgb(247, 247, 247);" class="brush:cpp ;toolbar: true; auto-links: false;">import  &#34;github.com/jcuga/golongpoll&#34; // This launches a goroutine and creates channels for all the plumbing manager, err := golongpoll.CreateManager() // Expose events to browsers // See subsection on how to interact with the subscription handler http.HandleFunc(&#34;/events&#34;, manager.SubscriptionHandler) http.ListenAndServe(&#34;127.0.0.1:8081&#34;, nil) // Pass the manager around or create closures and publish: manager.Publish(&#34;subscription-category&#34;, &#34;Some data.  Can be string or any obj convertable to JSON&#34;) manager.Publish(&#34;different-category&#34;, &#34;More data&#34;)</pre>