[Haskell-cafe] Re: ANNOUNCE: pqueue-mtl, stateful-mtl

Chung-chieh Shan ccshan at post.harvard.edu
Mon Feb 16 15:11:03 EST 2009

Louis Wasserman <wasserman.louis at gmail.com> wrote in article <ab4284220902160801x51e6c3b6m3a7ee0698ac973a7 at mail.gmail.com> in gmane.comp.lang.haskell.cafe:
> The point here is that a MonadST instance guarantees that the bottom monad
> is an ST -- and therefore single-threaded of necessity -- and grants any
> ST-based monad transformers on top of it access to its single state thread.

This approach sounds like Fluet and Morrisett's monadic regions
(ICFP 2004, JFP 2006), for which Oleg and I produced a easier-to-use
implementation (Haskell 2008).  You may find these papers helpful!


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