make the example compile...

390a88b7 · Steven Allen · cc546389 · 390a88b7
Commit 390a88b7 authored Dec 12, 2017 by Steven Allen
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meter_test.go meter_test.go +5 -1

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--- a/meter_test.go
+++ b/meter_test.go
@@ -25,6 +25,10 @@ func ExampleMeter() {
 	// Get the current total.
 	total := meter.Snapshot().Total
-	fmt.Printf("%d (%d/s)\n", total, int64(math.Round(float64(rate)/10)))
+	fmt.Printf("%d (%d/s)\n", total, roundTens(rate))
 	// Output: 3000 (300/s)
 }
+func roundTens(x float64) int64 {
+	return int64(math.Floor(x/10+0.5)) * 10
+}