[fpc-devel] Redefine FillChar() to use out parameter instead
JeLlyFish.software at gmx.net
Thu Nov 19 22:15:21 CET 2009
Florian Klaempfl <florian at freepascal.org>:
> Vinzent Höfler schrieb:
> > Florian Klaempfl <florian at freepascal.org>:
> >> A VAROUT parameter could have the same semantics as VAR except that the
> >> compiler does not expect that it is needed that it is initialized. But
> >> be warned: with such a parameter type you can easily create memory
> >> with automated types like ansistrings.
> > I don't understand the issue.
> Indeed, I noticed :)
Care to explain why the programmer can easily determine something which seems to be an unsolvable problem for the compiler, although both have exactly the same information?
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