Re: Database interface - would like advice on oracle library bind ing

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Here's another: ... Make getInt (and friends) behave differently depending on the mode of the cursor they're passed: either allocate a buffer and return _|_, decode and return the current column of the current row, or free a buffer and return _|_.

Not wanting to sound too dumb, but how do you return _|_ ?

Return undefined or better, error "Erroneously demanded bottom result of buffer allocation phase" Note that undefined :: a undefined = undefined error :: String -> a {- defined internally -} HTH. --KW 8-) -- Keith Wansbrough http://www.cl.cam.ac.uk/users/kw217/ University of Cambridge Computer Laboratory.