From af58a6a89c51226e72c308d1ddca127e9eb11acf Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期二, 14 一月 2020 21:00:26 +0800
Subject: [PATCH] add surveyor()

---
 pubsub.go |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/pubsub.go b/pubsub.go
index fa41d64..f073179 100644
--- a/pubsub.go
+++ b/pubsub.go
@@ -4,6 +4,8 @@
 
 	Publish(Message)
 
+	Surveyor() []string
+
 	Recv() chan Message
 }
 

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