From f06dad867eab147b6378e93d93e6f4689c579879 Mon Sep 17 00:00:00 2001
From: id <msgexec@gmail.com>
Date: Tue, 5 May 2020 16:03:10 +0300
Subject: [PATCH] feat(add DeregisterGroup method): DeregisterGroup removes
 group from group pool

---
 groupcache.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/groupcache.go b/groupcache.go
index 480e504..03a0e4c 100644
--- a/groupcache.go
+++ b/groupcache.go
@@ -85,6 +85,13 @@ func NewGroup(name string, cacheBytes int64, getter Getter) *Group {
 	return newGroup(name, cacheBytes, getter, nil)
 }
 
+// DeregisterGroup removes group from group pool
+func DeregisterGroup(name string) {
+	mu.Lock()
+	delete(groups, name)
+	mu.Unlock()
+}
+
 // If peers is nil, the peerPicker is called via a sync.Once to initialize it.
 func newGroup(name string, cacheBytes int64, getter Getter, peers PeerPicker) *Group {
 	if getter == nil {