help diagnosing space leak with IORef/STRef, just incrementing a million times.
7 Jan
2013
7 Jan
'13
1:56 a.m.
I have had issues like this with modifySTRef before. Try to make a strict version modifySTRef' If memory serves, something like this worked for me. modifySTRef' r f = do a <- readSTRef r writeSTRef r $! f a
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Thomas Bereknyei