[Haskell-cafe] Re: ANNOUNCE: pqueue-mtl, stateful-mtl
ccshan at post.harvard.edu
Fri Feb 27 02:22:19 EST 2009
Ryan Ingram <ryani.spam at gmail.com> wrote in article <2f9b2d30902151615n1e8e25e8ubbee20d93c8ecd32 at mail.gmail.com> in gmane.comp.lang.haskell.cafe:
> You can roll your own pure STT monad, at the cost of performance:
Do you (or anyone else) know how to prove this STT implementation
type-safe? It seems to be safe but I'm not sure how to prove it.
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