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
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 have the requirement that I need to
