From a7eab788e44c2701b2839c0a70f79383dd734642 Mon Sep 17 00:00:00 2001
From: Maisem Ali <maisem@tailscale.com>
Date: Sat, 18 Feb 2023 09:31:01 -0800
Subject: [PATCH] metrics: add SetInt64 to ease using LabelMap for gauge
 metrics

Set is provided by the underlying Map.

Signed-off-by: Maisem Ali <maisem@tailscale.com>
---
 metrics/metrics.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/metrics/metrics.go b/metrics/metrics.go
index 94d4a01ac..5a323dc38 100644
--- a/metrics/metrics.go
+++ b/metrics/metrics.go
@@ -33,6 +33,11 @@ type LabelMap struct {
 	expvar.Map
 }
 
+// SetInt64 sets the *Int value stored under the given map key.
+func (m *LabelMap) SetInt64(key string, v int64) {
+	m.Get(key).Set(v)
+}
+
 // Get returns a direct pointer to the expvar.Int for key, creating it
 // if necessary.
 func (m *LabelMap) Get(key string) *expvar.Int {