From 131980fab91b04c953b9dcb438298a7f06cf76cb Mon Sep 17 00:00:00 2001
From: Tiago Queiroz <contato@tiago.eti.br>
Date: Wed, 27 Dec 2017 19:52:59 +0100
Subject: [PATCH] using var to log fields (#19)

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

diff --git a/xlog.go b/xlog.go
index ba7cee4..106faf2 100644
--- a/xlog.go
+++ b/xlog.go
@@ -114,7 +114,7 @@ type logger struct {
 }
 
 // Common field names for log messages.
-const (
+var (
 	KeyTime    = "time"
 	KeyMessage = "message"
 	KeyLevel   = "level"