code: func (vv VectorisedView) ToView() View {
  	if len(vv.views) == 1 {
  		return vv.views[0]
  	}
  	u := make([]byte, 0, vv.size)
  	for _, v := range vv.views {
  		u = append(u, v...)
  	}
  	return u
  }
docs: // ToView returns a single view containing the content of the vectorised view.
  //
  // If the vectorised view contains a single view, that view will be returned
  // directly.