Am Freitag, 1. Dezember 2006 21:37 schrieb Krasimir Angelov:
> [...]
> do allocConsole
> .....
> .....
> putStrLn "Hello, world!"
> .....
> .....
> freeConsole
> [...]
Having explicit alloc/free pairs can lead to resource leaks in the presence of
exceptions. Simple solution: Merge both parts into a single function, using
"bracket" or friends internally:
withConsole $ do
...
putStrLn "I'm exception safe! :-)"
...
Cheers,
S.
_______________________________________________
Haskell mailing list
Haskell@haskell.org
http://www.haskell.org/mailman/listinfo/haskell
