Subject Re: External procedures: implementation proposal.
Author Roman Rokytskyy
> > virtual ResultSet* open(Error* error, const* Values input,
> > Values* output) = 0;
> There is no need to pass pointer to Values for output, since the
> client in this case would be interested to call only setXXX methods
> but not instantiate them.

Ups, sorry I think I misinterpreted your proposal.