Tomasz Zielonka <[EMAIL PROTECTED]> wrote:
> It may be relevant for this discussion: I believe I reimplemented STM,
> including retry and orElse, on top of old GHC's concurrency
> primitives.
>
> http://www.uncurry.com/repos/FakeSTM/
>
> Perhaps it could serve as a drop-in replacement for STM in haskell
> compilers which don't implement STM directly.
Nice idea. But your code already uses a whole heap of Haskell
extensions which may or may not make it into Haskell'.
monad transformer lib (requires MPTC)
exceptions
dynamically extensible exceptions
deriving non-standard classes
extended newtype deriving
pattern guards
Certainly, no compiler other than GHC currently implements all of these
extensions.
Regards,
Malcolm
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