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Add check to see if v.onConfigChange is nil before calling

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This commit is contained in:
Jeff DeFond 2017-01-13 12:28:45 -08:00
parent 5ed0fc31f7
commit b80be0b847
1 changed files with 3 additions and 1 deletions
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4
viper.go
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@ -262,7 +262,9 @@ func (v *Viper) WatchConfig() {
if err != nil { if err != nil {
log.Println("error:", err) log.Println("error:", err)
} }
v.onConfigChange(event) if v.onConfigChange != nil {
v.onConfigChange(event)
}
} }
} }
case err := <-watcher.Errors: case err := <-watcher.Errors: