[fpc-pascal] Type used to specialize a generic

Sven Barth pascaldragon at googlemail.com
Sun Nov 23 22:05:31 CET 2014

On 23.11.2014 19:15, Joao Morais wrote:
> Em 23/11/14 15:49, Sven Barth escreveu:
>> Am 23.11.2014 18:11 schrieb "Joao Morais" <l at joaomorais.com.br
>> <mailto:l at joaomorais.com.br>>:
>> >
>> >
>> > Hello list, is there a safe way to know the PTypeInfo, or at least
>> the string literal of the type(s) used to specialize a generic?
>> No, you can't.
>> There might be something for this in the future, because I'll need
>> something like that myself, but it will be quite some time till then.
> Hello Sven, thanks for clarifying this. Saying "quite some time" you
> mean post 2.8?

Definitely post 2.8.

> So what about an unsafe way on 2.8? =) A PTypeInfo would
> be *very* nice, but a string anywhere with the type name will also help
> a lot, just like 2.6.x does. Without this trick I cannot use my metadata
> framework with 2.8 :(

There is no way. It's dangerous to rely on the name mangling and this 
needed to be changed, because otherwise type names would have gotten to 


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