[fpc-pascal] Re: Use generic class as parameter (was: how to write enumerator for trees)

[Xiangrong Fang]

I didn't see a DEB package for 2.7.1. I am currently using 2.6.0. Can I
compile 2.7.1 from source with 2.6.0?

2013/3/22 Sven Barth <pascaldragon at googlemail.com>

>  Am 22.03.2013 08:13, schrieb Xiangrong Fang:
>
> 2013/3/22 Sven Barth <pascaldragon at googlemail.com>
>
>
>> > The problem is gone, because PNode is not a generic class, but only a
>> record.   However, the following errors are generated:
>>
>> 2.6.x does not support nested types in generics. Generic fixes and
>> improvements are only found in 2.7.1 as most of them were to invasive to be
>> merged back.
>>
> OK, then why this error happened:
>
> demo2.lpr(76,13) Error: Incompatible types: got
> "TRoller.TTreap$PPerson$Byte" expected "TRoller"
>
>
> AFAIR there was also a problem with result types in generics. Could you
> please test your code with 2.7.1 to be sure?
>
> Regards,
> Sven
>
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