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update readme.md
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连修明 2021-08-30 14:49:20 +08:00 • committed by GitHub
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README.md
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@ -175,10 +175,10 @@ Optionally you can provide a function for Viper to run each time a change occurs
**Make sure you add all of the configPaths prior to calling `WatchConfig()`**
```go
viper.WatchConfig()
viper.OnConfigChange(func(e fsnotify.Event) {
fmt.Println("Config file changed:", e.Name)
})
viper.WatchConfig()
```
### Reading Config from io.Reader