[fpc-pascal] Incompatible procedure types

[Sven Barth]

Hairy Pixels via fpc-pascal <fpc-pascal at lists.freepascal.org> schrieb am
Mi., 8. Nov. 2023, 01:48:

> What does this error mean? It's comparing a pointer to a procedure to a
> procedure variable (a callback). The signature appears exactly the same
> "function(TSymbol;TSymbol):LongInt is nested" so what's the problem?
>
> error: Incompatible type for arg no. 2: Got "<address of
> function(TSymbol;TSymbol):LongInt is nested;StdCall>", expected
> "TSList$1$crcCC4DE170_crc9A33B934.<procedure variable type of
> function(TSymbol;TSymbol):LongInt is nested;StdCall>"
>

Please provide example code so that one can look at it. Such messages
without example are more often than not simply useless.

Regards,
Sven

>
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