[fpc-devel] Attn: Sven Can not use "specialize" to resolve forward declaration

Martin Frb lazarus at mfriebe.de
Thu Dec 9 00:09:24 CET 2021

You wrote
 >> No, this can not and this will never work. When a generic parameter 
has a constraint that constraint /must/ be adhered to and a forward 
declaration is /not/ a valid type for such a constraint (except for 
*class* / |TObject| constraints).

Using TObject for just any class is nice here.

What to use for interface?

Sorry replied on the wrong issue.

How can I restrain a generic param, so it must be an interface, but 
leave open the exact type, so I can later use a forward declaration?
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