Hello,

I was coding and I suddently saw that need to use a typed list. I went with TFPList, but considering we already have compiler support I thougth that maybe we could have a basic library with useful classes using generics. I searched on fpc 2.2.0 sources a lot, but I couldn't find anything.

I was thinking on the lines of: TGenericList<T> = class

Does something similar already exist?

If not, maybe I can find some time to write something to start with. Any ideas about unit name, location on fpc sources, if it's useful at all, what it should contain, etc, for that?

thanks,

Hi Felipe,

I have never gotten onto the band wagon regarding Generics. I have only seen the word being tossed around on the mailing lists and newsgroups. Do you maybe have a nice link explaining Generics, what benefits it has over TList (TObjectList and friends) and what I would use it for? I gather FPC 2.2.0 has support for Generics?

Regards,
- Graeme -

See the fgl unit in current 2.2.1 or 2.3.1. Generics were not stable enough in the past to have the unit already enabled in 2.2.0.

Peter

FPC 2.2.0 has alpha quality generics that is not usable in real world. Current FPC 2.2.1 and 2.3.1 have beta quality with some known issues (see mantis).

Peter

Peter Vreman wrote

See the fgl unit in current 2.2.1 or 2.3.1. Generics were not stable enough in the past to have the unit already enabled in 2.2.0.

Oh, thanks. In my search I had actually found this unit, but then I looked at the unit name and said: Oh, pretty cool they are using generics on the opengl bindings, but doesn't help me much =)