Re: Set limitations

On 11/01/2025 14:57, Hairy Pixels via fpc-pascal wrote:
> On Jan 11, 2025 at 8:17:33 PM, Hairy Pixels <[email protected]> wrote:
>> I was curious, is there any practical limit on the size of a set (32 
>> bits and 256 values) and why they couldn’t be 64 bit or any other 
>> arbitrary size? The floor seems to be 4 bytes too but why not allow 
>> smaller sizes to save memory? Perhaps just a historical artifact but 
>> I was curious.
>
> Sorry that was wrong, the biggest size is 32 bytes and the largest 
> size of an enum is 256 elements. I was talking about sets of enums 
> also if that wasn’t clear.
>
> I still don’t see it’s possible to make a set which is smaller than 4 
> bytes, even in the 0..7 range.
>

program Project1;
{$PackSet 1}
var
   a: set of byte;
   b: set of 0..7;
begin
   writeln(sizeof(a));
   writeln(sizeof(b));
   readln;
end.

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