ParameterIdentifierTuple returns empty strings

[Andre Pany]

On Wednesday, 2 December 2020 at 15:40:09 UTC, Adam D. Ruppe 
wrote:
> On Wednesday, 2 December 2020 at 11:46:26 UTC, Andre Pany wrote:
>> [...]
>
> Function pointers don't really have parameter names. They are 
> allowed for user habit and documentation purposes, but the 
> compiler mostly* ignores them; they aren't actually part of the 
> formal type.
>
> [...]

Thanks for all  the answers, this solves my issue.

Kind regards
Andre