does anyone know where there's a class that abstracts over IORefs? it includes newRef, readRef, and writeRef. i've seen it but can't remember where. - conal

John Hughes, Functional Pearl: Global Variables in Haskell. /BR -- -- Mirko Rahn -- Tel +49-721 608 7504 -- --- http://liinwww.ira.uka.de/~rahn/ ---

Try http://haskell.org/haskellwiki/Library/ArrayRef#Monad-independent_references Conal Elliott wrote:

does anyone know where there's a class that abstracts over IORefs? it includes newRef, readRef, and writeRef. i've seen it but can't remember where. - conal

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