Re: Initialising stuff

["chris.danx" <chris.danx@ntlworld.com>]

"Ted Dennison" <dennison@telepath.com> wrote in message
news:TW0z7.31810$ev2.38911@www.newsranger.com...
> In article <EA0z7.4255$nT1.766306@news6-win.server.ntlworld.com>,
chris.danx
> says...
> >I need a variable (global) for a screen package (write to video memory)
and
> >would like it to be initialised once and once only when the package is
> >"with"ed.
>
> Why not just initialize the variable where it is declared then?

It's private and global inside the screens package, outside it can't be
accessed.  The operations such as put, gotoxy etc manipulate the variable,
and to ensure proper working it requires initialisation.



>
> >package body xxx is
> >   ...
> >begin
> >   initialise screen stuff here;
> >end xxx;
>
> That'll work too. The only possible "issues" are if you try to reference
stuff
> in another package here, you have to make sure that package (and
everything it
> depends on) has already been elaborated. But if its a one-liner, you might
as
> well just initialize the variable at the declaration and be done with it.