[fpc-devel] Is that intended: {$define 2} ... {$IFDEF 2}

[Martin Frb]

On 06/12/2025 11:10, Michael Van Canneyt via fpc-devel wrote:
>
>
> On Fri, 5 Dec 2025, Martin Frb via fpc-devel wrote:
>
>> $define/$Ifdef don't just take (name) identifiers.
>>
>> They also take numbers, <strike>and expressions. </strike>
>>
>> Well actually, numbers.
>> {$define 2}
>> {$IFDEF 2} .... {$ENDIF}
>>
>
> Seriously ?
>
> The inventive ways by which people try to shoot themselves in the foot 
> never
> cease to amaze me...
>
> They do it with lots of enthusiasm, it seems :-)

Ok, so the docs says defines a "name" or "symbol", it does not refer to 
"identifier". Which means I guess numbers are in that scope.

And I just realised, the above can be used with macros.

{$macro on}
{$define 0=1}
begin
   write(random(123) / 0);

should work ... ;)