From 6f5c0c996423d403bed06e84caf1a746913d51f1 Mon Sep 17 00:00:00 2001
From: ICHINOSE Shogo <shogo82148@gmail.com>
Date: Fri, 6 May 2022 16:09:33 +0900
Subject: [PATCH] fix compile error

---
 metrics.go | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/metrics.go b/metrics.go
index 20997311..09e256fd 100644
--- a/metrics.go
+++ b/metrics.go
@@ -67,27 +67,30 @@ func NewNoOpSink() metrics.MetricSink {
 // NoOpSink default NOOP metrics recorder
 type NoOpSink struct{}
 
-// SetGauge implements Collector.
+// SetGauge implements metrics.MetricSin.
 func (*NoOpSink) SetGauge(key []string, val float32) {}
 
-// SetGaugeWithLabels implements Collector.
+// SetGaugeWithLabels implements metrics.MetricSin.
 func (*NoOpSink) SetGaugeWithLabels(key []string, val float32, labels []metrics.Label) {}
 
-// EmitKey implements Collector.
+// EmitKey implements metrics.MetricSin.
 func (*NoOpSink) EmitKey(key []string, val float32) {}
 
-// IncrCounter implements Controller.
+// IncrCounter implements metrics.MetricSin.
 func (*NoOpSink) IncrCounter(key []string, val float32) {}
 
-// IncrCounterWithLabels implements Controller.
+// IncrCounterWithLabels implements metrics.MetricSin.
 func (*NoOpSink) IncrCounterWithLabels(key []string, val float32, labels []metrics.Label) {}
 
-// AddSample implements Controller.
+// AddSample implements metrics.MetricSin.
 func (*NoOpSink) AddSample(key []string, val float32) {}
 
-// AddSampleWithLabels implements Controller.
+// AddSampleWithLabels implements metrics.MetricSin.
 func (*NoOpSink) AddSampleWithLabels(key []string, val float32, labels []metrics.Label) {}
 
+// Shutdown implements metrics.MetricSin.
+func (*NoOpSink) Shutdown() {}
+
 // NewMetrics initializes goa's metrics instance with the supplied
 // configuration and metrics sink
 // This method is deprecated and SetMetrics should be used instead.