From 211aba39c8ddc81912160caa0edea2d61555efef Mon Sep 17 00:00:00 2001
From: dmathieu <42@dmathieu.com>
Date: Tue, 25 Jul 2017 09:39:35 +0200
Subject: [PATCH] use buffer length to avoid generating strings every time

---
 text_formatter.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/text_formatter.go b/text_formatter.go
index ec8d473..79239cf 100644
--- a/text_formatter.go
+++ b/text_formatter.go
@@ -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)