[fpc-pascal] Optional param modifier

[Ryan Joseph]

> On Apr 13, 2019, at 5:11 PM, Martin Frb <lazarus at mfriebe.de> wrote:
> 
> Were it only the documentation of nil-ability then comments would do the job.
> When it is about a more generic approach then see the wikipage about contracts. (I did mail a link)

If there was any other way the compiler could make this contract more concrete and reliable then comments I’d be happy to hear it.

Regards,
	Ryan Joseph