Quoting Jean-Marie Gaillourdet <j...@gaillourdet.net>:
That sounds plausible. Do you see any workaround? Perhaps repeatedly
evaluating typeOf?
If there's a concurrency bug, surely the workaround is to protect
calls to the non-thread-safe function with a lock.
typeOfWorkaround lock v = do
() <- takeMVar lock
x <- evaluate (typeOf v)
putMVar lock ()
return x
~d
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