[fpc-pascal] Subclassing generic records?
pascaldragon at googlemail.com
Mon Jul 17 18:58:49 CEST 2017
Am 17.07.2017 18:24 schrieb "Ryan Joseph" <ryan at thealchemistguild.com>:
> I’m trying to find a way to extend generic records since (as far as I
know) there is no subclassing of records. I could use variant records here
but these don’t work with generics so I tried record helpers and properties
to basically rename the x/y variables in TVec2 but I get errors on the
width/height properties. Is there a workaround for this?
> generic TVec2<T> = record
> x, y: T;
> TSize = specialize TVec2<TFloat>;
> TVec2Size = record helper for TSize
> property Width: TFloat read x write x;
> property Height: TFloat read y write y;
I'll need to check whether Delphi allows that for helpers (doesn't matter
whether the extended type is a specialization or not).
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