func (r *RepeatedStringArg) Set(s string) error {
	*r = append(*r, s)
	return nil
}
func (r *RepeatedStringArg) Set(s string) error {
	*r = append(*r, s)
	return nil
}
func ( r * RepeatedStringArg ) Set ( s string ) error { * r = append ( * r , s ) return nil }
// Set adds a string to r
Set adds a string to r