clean code use time.IsZero() replace t = time.Time{}, make code more readable

lilijreey · lilijreey · commit 47b807e0d7d6 · 2024-05-15T22:05:50.000+08:00
Signed-off-by: chuanshuo &lt;lilijreey@126.com&gt;
diff --git a/prometheus/metric.go b/prometheus/metric.go
@@ -234,7 +234,7 @@ func NewMetricWithExemplars(m Metric, exemplars ...Exemplar) (Metric, error) {
 	)
 	for i, e := range exemplars {
 		ts := e.Timestamp
-		if ts == (time.Time{}) {
+		if ts.IsZero() {
 			ts = now
 		}
 		exs[i], err = newExemplar(e.Value, ts, e.Labels)

Original file line number	Diff line number	Diff line change
`@@ -234,7 +234,7 @@ func NewMetricWithExemplars(m Metric, exemplars ...Exemplar) (Metric, error) {`
`234`	`234`	`)`
`235`	`235`	`for i, e := range exemplars {`
`236`	`236`	`ts := e.Timestamp`
`237`		`- if ts == (time.Time{}) {`
	`237`	`+ if ts.IsZero() {`
`238`	`238`	`ts = now`
`239`	`239`	`}`
`240`	`240`	`exs[i], err = newExemplar(e.Value, ts, e.Labels)`