Proposal: Pooled memory management

[Sven Panne]

Fergus Henderson wrote:
 > [...] why is the Pool type polymorphic, and allocation in a pool
 > restricted to only allocating values whose type matches the pool's
 > type parameter?  It would be much nicer to support allocating
 > different types in the same pool.

No deep reason, it was just a remnant of the module's history. I've
removed the type parameter from Pool's constructor. The updated module
and docs are already uploaded on haskell.org.

 > The implementation at http://haskell.org/HOpenGL/PoolRFC/Pool.hs has
 > obviously not been adequately tested, [...]

Uh-oh!  :-]  Fixed. Admittedly, I've only tested the some of the
non-array stuff...

Thanks for the lightning-fast reply (including the code review!),
    S.