Re: Main procedure inside a package?

[Robert A Duff <bobduff@shell01.TheWorld.com>]

Jean-Pierre Rosen <rosen@adalog.fr> writes:

> Pascal Obry a �crit :
> > wojtek@power.com.pl a �crit :
> >> Is it possible for the main procedure to be inside a package? The
> >> compiler is GNAT.
> > No, the main procedure must be a library level procedure. I think that
> > there is another restriction: this procedure should not have parameters
> > (I have no easy way to check that right now).
> 
> Anything can be a main subprogram (the restriction was for 83), however
> only parameterless library procedures are guaranteed to be portable:
> 
> LRM 10.2(29):
> An implementation may restrict the kinds of subprograms it supports as
> main subprograms. However, an implementation is required to support all
> main subprograms that are public parameterless library procedures.

True, but most Ada implementations support only the minimum required,
here -- no main functions, no parameters on main procedures, and no main
procedures nested in packages.

- Bob