[fpc-pascal] Procedural parameters

[Michael Van Canneyt]

On Sat, 14 Dec 2024, Adriaan van Os via fpc-pascal wrote:

> Michael Van Canneyt via fpc-pascal wrote:
>> 
>> 
>> On Sat, 14 Dec 2024, Adriaan van Os via fpc-pascal wrote:
>> 
>>> 
>>> Macpascal and Iso pascal have procedural parameters, e.g.
>>>
>>>     function A( function B: double): double;
>>> 
>>> Is there a $modeswitch to allow this ? I searched "procedure parameter" 
>>> and "procedural parameter" in the Language Reference, but could not find 
>>> anything.
>> 
>> As far as I know, the above is not allowed. you must declare the callback 
>> type explicitly.
>
> It can in iso and macpascal mode. Read the Pascal standard.

It's not because something is in the pascal standard, that FPC has it.

But if so, I was unaware and in that case I will document it.

Why they would put something as unreadable as that in the standard is a
mystery to me.

Michael.