use buffer length to avoid generating strings every time

2017-07-25 09:39:35 +02:00
parent 3eef8ce63d
commit 211aba39c8
1 changed files with 1 additions and 1 deletions
@@ -154,7 +154,7 @@ func (f *TextFormatter) needsQuoting(text string) bool {
 }

 func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}) {
-	if b.String() != "" {
+	if b.Len() > 0 {
 		b.WriteByte(' ')
 	}
 	b.WriteString(key)