pkg/metricutil: change logical order to speedup

tikv · Feb 17, 2017 · ef745db · siddontang · Feb 17, 2017 · andelf
1 parent c21b12c
commit ef745db
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/pkg/metricutil/metricutil.go b/pkg/metricutil/metricutil.go
@@ -56,12 +56,10 @@ func convertCmdLabels() map[string]string {
 }
 
 func runesHasLowerNeighborAt(runes []rune, idx int) bool {
-	length := len(runes)
-
-	if idx+1 < length && unicode.IsLower(runes[idx+1]) {
+	if idx > 1 && unicode.IsLower(runes[idx-1]) {
 		return true
 	}
-	if idx > 1 && unicode.IsLower(runes[idx-1]) {
+	if idx+1 < len(runes) && unicode.IsLower(runes[idx+1]) {
 		return true
 	}
 	return false