On Wednesday 06 December 2006 07:40, Bernie Pope wrote: > On 05/12/2006, at 1:00 PM, Benjamin Franksen wrote: > > Bernie Pope wrote: > >> If you want a global variable then you can use something like: > >> > >> import System.IO.Unsafe (unsafePerformIO) > >> > >> global = unsafePerformIO (newIORef []) > >> > >> But this is often regarded as bad programming style (depends who > >> you talk to). > > > > Besides, isn't this example /really/ unsafe? I thought, at least > > the IORef > > has to be monomorphic or else type safety is lost? > > Perhaps your question is rhetorical,
Half-way ;-) I was pretty sure but not 100%. Thanks for the nice example. Cheers, Ben _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
