bracket_

[Simon Marlow]

> In Haskell's standard IO module, bracket_ is defined to have type
>=20
>     IO a -> (a -> IO b) -> IO c -> IO c
>=20
> However, in the Exception module in hslibs, bracket_ has type
>=20
>     IO a -> IO b -> IO c -> IO c
>=20
> which IMHO is much less useful, not to mention confusing.  Could this
> be considered a bug?

I don't have any objections to changing it, though I'm fairly sure I've
used the Exception.bracket_ version in the past.  It doesn't hurt to
require that extra 'const' if you don't want the return value from the
first argument though.

Cheers,
	Simon