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Added new method for getting Defaults values from config.

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In some cases, app needs to print default values for user.
This PR add new `GetDefaults` method.
This feature was mentioned in #376
This commit is contained in:
Kamil Wargula 2017-10-20 13:45:18 +02:00
parent 8ef37cbca7
commit 4557438166
2 changed files with 14 additions and 0 deletions
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8
README.md
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@ -80,6 +80,14 @@ viper.SetDefault("LayoutDir", "layouts")
viper.SetDefault("Taxonomies", map[string]string{"tag": "tags", "category": "categories"})
```
Optionally you can get all Defaults values for config.
example:
```go
viper.GetDefaults()
```
### Reading Config Files
Viper requires minimal configuration so it knows where to look for config files.

6
viper.go
View file

@ -1087,6 +1087,12 @@ func (v *Viper) SetDefault(key string, value interface{}) {
deepestMap[lastKey] = value
}
// GetDefaults gets the all defaults values
func GetDefaults() map[string]interface{} { return v.GetDefaults() }
func (v *Viper) GetDefaults() map[string]interface{} {
return v.defaults
}
// Set sets the value for the key in the override regiser.
// Set is case-insensitive for a key.
// Will be used instead of values obtained via