<p>Am 29.09.2016 11:34 schrieb "Martin Schreiber" <<a href="mailto:mse00000@gmail.com">mse00000@gmail.com</a>>:<br>
><br>
> On Thursday 29 September 2016 10:49:03 Graeme Geldenhuys wrote:<br>
> > On 2016-09-29 06:42, Martin Schreiber wrote:<br>
> > > abcintf:= iabc(abc);<br>
> > > "<br>
> > > which has the best performance.<br>
> ><br>
> > But you must still remember to check if abcintf has been successfully<br>
> > assigned.<br>
> ><br>
> There will be a compiler error if "abc" does not implement "iabc".</p>
<p>Graeme meant that abc can still be Nil.</p>
<p>Regards,<br>
Sven</p>