code: func NewSynchClientWithSpec(spec *ConnectionSpec) (c Client, err Error) {
  	_c := new(syncClient)
  	_c.conn, err = NewSyncConnection(spec)
  	if err != nil {
  		return nil, withError(err)
  	}
  	//	_c.conn = conn
  	return _c, nil
  }
docs: // Create a new syncClient and connects to the Redis server using the
  // specified ConnectionSpec.
  //