From 31c01611481ed307fb5c6ef8c3aa7f08ea1567f9 Mon Sep 17 00:00:00 2001
From: Tao He <sighingnow@gmail.com>
Date: Fri, 8 Apr 2022 16:41:58 +0800
Subject: [PATCH] Revert "Update Watcher re-connection sample."

This reverts commit 23394ab9bbc5af55f02af39ec1a6f2f8ef260628.
---
 README.md | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index af3b2e0..6633cce 100644
--- a/README.md
+++ b/README.md
@@ -586,14 +586,11 @@ void initialize_watcher(const std::string &endpoints,
     wait_for_connection(client); 
     watcher->reset(new etcd::Watcher(client, prefix, callback));
     watcher->Wait([endpoints, prefix, callback,
-                   /* watcher reference keep the shared_ptr alive */, &watcher](bool cancelled) -> bool {
+                   watcher_ref /* keep the shared_ptr alive */, &watcher](bool cancelled) {
         if (cancelled) {
-            return false;    // No reactivate watcher (default behaviour).
+            return;
         }
-        
-        etcd::Client client(endpoints);
-        wait_for_connection(client);
-        return true;    // Reactivate watcher.
+        initialize_watcher(endpoints, prefix, callback, watcher);
     });
 }
 ```
@@ -604,7 +601,7 @@ std::function<void(Response)> callback = printResponse;
 const std::string prefix = "/test/key"; 
 
 // the watcher initialized in this way will auto re-connect to etcd
-std::shared_ptr<etcd::Watcher> watcher;
+std::unique_ptr<etcd::Watcher> watcher;
 initialize_watcher(endpoints, prefix, callback, watcher);
 ```