From 53d78131980455d7a7257348961e4f3e334d5187 Mon Sep 17 00:00:00 2001
From: Konstantin Grachev <me@grachevko.ru>
Date: Mon, 13 Sep 2021 23:49:52 +0300
Subject: [PATCH] Add Connection::isConnected()

---
 src/Connection.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Connection.php b/src/Connection.php
index 6b01479..a197b91 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -37,6 +37,11 @@ abstract class Connection
         $this->close();
     }
 
+    public function isConnected(): bool
+    {
+        return !$this->stream instanceof NullStream;
+    }
+
     /**
      * @return Promise<void>
      */