func (a *Action) UnmarshalYAML(unmarshal func(interface{}) error) error {
	var s string
	if err := unmarshal(&s); err != nil {
		return err
	}
	switch act := Action(strings.ToLower(s)); act {
	case Replace, Keep, Drop, HashMod, LabelMap, LabelDrop, LabelKeep:
		*a = act
		return nil
	}
	return errors.Errorf("unknown relabel action %q", s)
}
func (a *Action) UnmarshalYAML(unmarshal func(interface{}) error) error {
	var s string
	if err := unmarshal(&s); err != nil {
		return err
	}
	switch act := Action(strings.ToLower(s)); act {
	case Replace, Keep, Drop, HashMod, LabelMap, LabelDrop, LabelKeep:
		*a = act
		return nil
	}
	return errors.Errorf("unknown relabel action %q", s)
}
func ( a * Action ) UnmarshalYAML ( unmarshal func ( interface { } ) error ) error { var s string if err := unmarshal ( & s ) ; err != nil { return err } switch act := Action ( strings . ToLower ( s ) ) ; act { case Replace , Keep , Drop , HashMod , LabelMap , LabelDrop , LabelKeep : * a = act return nil } return errors . Errorf ( " " , s ) }
// UnmarshalYAML implements the yaml.Unmarshaler interface.
UnmarshalYAML implements the yaml . Unmarshaler interface .