From 64dece4f7e7f5411e92b647460a2ae0ed82e8af4 Mon Sep 17 00:00:00 2001
From: mountain <mountain@action2quare.com>
Date: Wed, 22 Nov 2023 23:41:49 +0900
Subject: [PATCH] metricwriter nil

---
 metric/metric.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/metric/metric.go b/metric/metric.go
index bad70fc..f7ad057 100644
--- a/metric/metric.go
+++ b/metric/metric.go
@@ -59,6 +59,8 @@ type metric_empty struct{}
 func (mw *metric_empty) Set(newval int64) {}
 func (mw *metric_empty) Add(inc int64)    {}
 
+var MetricWriterNil = MetricWriter(&metric_empty{})
+
 type metric_int64 struct {
 	valptr     *int64
 	key        string