"Robert Dewar" <robert_dewar@my-deja.com> a �crit dans le message news: 8ve71q$meh$1@nnrp1.deja.com...
> In article <u8zqe5klh.fsf@gsfc.nasa.gov>,
>   Stephen Leake <stephen.a.leake.1@gsfc.nasa.gov> wrote:
> > Robert Dewar <robert_dewar@my-deja.com> writes:
> > convert an out parameter would happen about as often as
> > needing to convert an in parameter, or a function result.
>
> Not at all! Because you think of an out parameter as an Lvalue,
> and conversions are not allowed as left sides in assignments.
> If you really believe the above, you would want backwards
> conversions on the left of assigments.
>
Note that for tagged types, conversions ARE allowed as Lvalue
(another not-well-know-feature!)

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           J-P. Rosen (Rosen.Adalog@wanadoo.fr)
Visit Adalog's web site at http://pro.wanadoo.fr/adalog