Hi John
Sorry, I don't think I really grasp your problem?
I think you're mixing two things:
a) which data type to use to store whatever you like?
* http://haskell.org/haskellwiki/Existential_type
* Typable and Data.Dynamic
etc..
b) Which container to use to put in stuff, return an identifie
2008/12/28 Luke Palmer :
> The hard way is a heteroeneous container, with an interface like:
>
> cons :: a -> Container -> IO (Key a)
> unlink :: Key a -> Container -> IO ()
> toList :: ???
>
If you want to change that to:
cons :: Typeable a => a -> Container -> IO (Key a)
unlink :: Typeable a =>
2008/12/28 John Ky
> Hi,
>
> I need a container data structure for storing anonymous objects - most
> likely things that have not value such as STM (), but probably other things
> as well. This will allow me to later on, iterate over the container and
> process those objects. Additionally I hav
