[Haskell-cafe] STM, orElse and timed read from a channel

[Tomasz Zielonka]

On Sat, Dec 03, 2005 at 10:35:54PM +0100, Tomasz Zielonka wrote:
> but I tripped on something that was reported before, namely that STM
> transactions can't be nested (as a result of unsafePerformIO or
> unsafeInterleaveIO).

I should rather say "nested 'atomically' blocks".

Best regards
Tomasz

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