Re: Style question: deep inheritance

["Marc A. Criley" <mcq95@earthlink.net>]

Anders Wirzenius wrote:
> 
> "Marc A. Criley" <mcq95@earthlink.net> wrote in message
> news:3DECAA3A.F3E7BA90@earthlink.net...
> > The technique I've been using lately to good effect is to employ "use"
> > clauses that eliminate all but the "bottom" package.  E.g., for
> > SAM.Entities.Things.Portals, I'd have a "use SAM.Entities.Things;", so
> > then Portals components get referenced as "Portals.Teleport", for
> > instance.
> >
> > This doesn't help with long filenames, but you can use gnatkr to aid
> > cutting down the length of names.
> >
> > Marc A. Criley
> > Quadrus Corporation
> > www.quadruscorp.com
> 
> "All but the ""bottom"" package" is an excellent technique! Why have I not
> discovered that myself ;-(
> 
> A small 2 cents comment which, again, is borrowed from another (at least J-P
> Rosen):
> The more natural place for the use clause is in the code right before it is
> needed, not at the beginning of the package as a tail to the with clause.
> like:
> with SAM.Entities.Things;
> ...
> begin
> ...
> code not using SAM.Entities.Things
> ...
> define
>   use SAM.Entities.Things;
> begin
>    Portals.Teleport...
> end;
> ...
> code
> ...
> end;
> 
> Thanks for "allowing" to use your code, Marc.

Glad to be of help, and though I didn't mention it, I too also tend to
localize most use clauses inside the procedures where they're needed,
rather than placing them in the context clause list.

Marc