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config need sub Viper instance List #509

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config need sub Viper instance List #509

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8180646
add sub viper list
Jun 6, 2018
0648a0f
remove
Jun 6, 2018
4ff42e3
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Jun 6, 2018
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19 changes: 19 additions & 0 deletions viper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -664,6 +664,25 @@ func (v *Viper) Sub(key string) *Viper {
return nil
}

//Sub list returns new Viper instance List representing a sub tree of this instance.
func SubList(key string) []*Viper { return v.SubList(key) }
func (v *Viper) SubList(key string) []*Viper {
data := v.Get(key)
if data == nil {
return nil
}
var vList []*Viper
if reflect.TypeOf(data).Kind() == reflect.Slice {
for _, item := range data.([]interface{}) {
subv := New()
subv.config = cast.ToStringMap(item)
vList = append(vList, subv)
}
return vList
}
return nil
}

// GetString returns the value associated with the key as a string.
func GetString(key string) string { return v.GetString(key) }
func (v *Viper) GetString(key string) string {
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