func parseKeyValueOpts(opts opts.ListOpts) ([]KeyValuePair, error) { out := make([]KeyValuePair, opts.Len()) for i, o := range opts.GetAll() { k, v, err := parsers.ParseKeyValueOpt(o) if err != nil { return nil, err } out[i] = KeyValuePair{Key: k, Value: v} } return out, nil }