minor: refactored small loop

fabstu · davecheney · commit 542b81d67c8f · 2016-09-29T11:32:15.000+10:00
diff --git a/errors_test.go b/errors_test.go
@@ -218,8 +218,8 @@ func TestErrorEquality(t *testing.T) {
 		WithStack(nil),
 	}
 
-	for i := 0; i < len(vals); i++ {
-		for j := 0; j < len(vals); j++ {
+	for i := range vals {
+		for j := range vals {
 			_ = vals[i] == vals[j] // mustn't panic
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -218,8 +218,8 @@ func TestErrorEquality(t *testing.T) {`
`218`	`218`	`WithStack(nil),`
`219`	`219`	`}`
`220`	`220`
`221`		`- for i := 0; i < len(vals); i++ {`
`222`		`- for j := 0; j < len(vals); j++ {`
	`221`	`+ for i := range vals {`
	`222`	`+ for j := range vals {`
`223`	`223`	`_ = vals[i] == vals[j] // mustn't panic`
`224`	`224`	`}`
`225`	`225`	`}`