call onConfigChange callback only if it is not nil, so i really become

an optional parameter.
This commit is contained in:
Andrew Odintsov 2018-05-16 14:22:57 +03:00
parent 15738813a0
commit e919dff7ac

View file

@ -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: