v1.0.0

app/stats/counter.go

@@ -0,0 +1,25 @@
+// +build !confonly
+
+package stats
+
+import "sync/atomic"
+
+// Counter is an implementation of stats.Counter.
+type Counter struct {
+	value int64
+}
+
+// Value implements stats.Counter.
+func (c *Counter) Value() int64 {
+	return atomic.LoadInt64(&c.value)
+}
+
+// Set implements stats.Counter.
+func (c *Counter) Set(newValue int64) int64 {
+	return atomic.SwapInt64(&c.value, newValue)
+}
+
+// Add implements stats.Counter.
+func (c *Counter) Add(delta int64) int64 {
+	return atomic.AddInt64(&c.value, delta)
+}