On Sat, Feb 21, 2009 at 01:54:52PM +0000, Ian Lynagh wrote:
> On Sat, Feb 21, 2009 at 01:18:35AM +0100, Martijn van Steenbergen wrote:
> >
> > You now need to specify the exact type of the exception you wish to
> > catch. For example, to catch any exception:
> >
> > action `catch` (\(e :: SomeException) -> handler)
> >
> > For more information, see:
> >
> > http://www.haskell.org/~simonmar/papers/ext-exceptions.pdf
>
> See also
>
> "Catching all exceptions"
> http://www.haskell.org/ghc/dist/stable/docs/libraries/base/Control-Exception.html#4
It is too bad we didn't name SomeException to just be Exception, then it
would be quite straightforward to write code that cleanly compiles on
6.8 and 6.10. As it is,
#if __GLASGOW_HASKELL__ < 610
type SomeException = Exception
#endif
does the trick, but no one likes CPP...
John
--
John Meacham - ⑆repetae.net⑆john⑈
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