From e919dff7ac6fdb067d55defa3bb4ff3912c47fc1 Mon Sep 17 00:00:00 2001
From: Andrew Odintsov <pupizoid77@gmail.com>
Date: Wed, 16 May 2018 14:22:57 +0300
Subject: [PATCH] call onConfigChange callback only if it is not nil, so i
really become an optional parameter.
---
viper.go | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/viper.go b/viper.go
index 907a102..7c4e0c2 100644
--- a/viper.go
+++ b/viper.go
@@ -289,7 +289,9 @@ func (v *Viper) WatchConfig() {
if err != nil {
log.Println("error:", err)
}
- v.onConfigChange(event)
+ if v.onConfigChange != nil {
+ v.onConfigChange(event)
+ }
}
}
case err := <-watcher.Errors: