code: func NewNetAddressStrings(addrs []string) ([]*NetAddress, error) {
  	netAddrs := make([]*NetAddress, len(addrs))
  	for i, addr := range addrs {
  		netAddr, err := NewNetAddressString(addr)
  		if err != nil {
  			return nil, errors.New(cmn.Fmt("Error in address %s: %v", addr, err))
  		}
  		netAddrs[i] = netAddr
  	}
  	return netAddrs, nil
  }
docs: // NewNetAddressStrings returns an array of NetAddress'es build using
  // the provided strings.