[fpc-pascal] star operator on enum types

[Giuliano Colla]

Il 26/01/2023 18:52, Sven Barth via fpc-pascal ha scritto:
> Giuliano Colla via fpc-pascal <fpc-pascal at lists.freepascal.org 
> <mailto:fpc-pascal at lists.freepascal.org>> schrieb am Do., 26. Jan. 
> 2023, 18:43:
>
>     I found in a fpc program a statement sort of:
>
>     Type
>       TSomeType = (a,b,c)
>       TaType = set of TSometype
>     var
>       setA,setB: TaType;
>     .....
>     *if setA * setB = [] then doSomething*;
>
>     which I found very smart to detect if the two sets have some
>     common elements, but I've been unable to find in the fpc
>     documentation how the * operator is overloaded in fpc when dealing
>     with enumerated and sets of enumerated types. Should I find out by
>     trial and error or it's written somewhere?
>
>
> You are operating on *sets*, not enums. Thus you need to look at the 
> documentation about set operators: 
> https://www.freepascal.org/docs-html/current/ref/refsu49.html#x156-18000012.8.6
>
> Regards,
> Sven
>
Thanks a lot,

Giuliano
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