Function getData

kv/memberlist/memberlist_client_test.go:216–227

(t *testing.T, kv *Client, key string)

}

func getData(t *testing.T, kv *Client, key string) *data {
	t.Helper()
	val := get(t, kv, key)
	if val == nil {
		return nil
	}
	if r, ok := val.(*data); ok {
		return r
	}
	t.Fatalf("Expected ring, got: %T", val)
	return nil
}

func cas(kv *Client, key string, updateFn func(*data) (*data, bool, error)) error {
	return casWithErr(context.Background(), kv, key, updateFn)