This : Prelude> let f = (\x -> return "something went wrong") :: IOError -> IO String Prelude> let t = return $ show $ "too short list" !! 100 :: IO String Prelude> catch t f "*** Exception: Prelude.(!!): index too large doesn't work. kind regards, Pieter On Tue, Sep 9, 2008 at 10:35 PM, Pieter Laeremans <pieter@laeremans.org>wrote:
Woops , I hit the "send" button to early. The java approach to locate the error would be
try { ... }catch(Exception e ){ // log error throw new RuntimeException(e); }
...
What 's the best equivalent haskell approach ?
thanks in advance,
Pieter
On Tue, Sep 9, 2008 at 10:30 PM, Pieter Laeremans <pieter@laeremans.org>wrote:
Hello, I've written a cgi script in haskell, it crashes sometimes with the error message Prelude . tail : empty list
In Java we would use this approach to log the erro
try {
} catch (Exception e) {
}
-- Pieter Laeremans <pieter@laeremans.org>
"The future is here. It's just not evenly distributed yet." W. Gibson
-- Pieter Laeremans <pieter@laeremans.org>
"The future is here. It's just not evenly distributed yet." W. Gibson
-- Pieter Laeremans <pieter@laeremans.org> "The future is here. It's just not evenly distributed yet." W. Gibson