[Haskell-cafe] Use of the Try typeclass
michael at snoyman.com
Thu Dec 31 03:34:21 EST 2009
I think you need to run "cabal update"
On Thu, Dec 31, 2009 at 8:54 AM, Edward Z. Yang <ezyang at mit.edu> wrote:
> Excerpts from Michael Snoyman's message of Thu Dec 31 00:43:52 -0500 2009:
> > What version of the packages are you using? Can you give the output of:
> > ghc-pkg list|grep failure
> Sure thing:
> (control-monad-failure-0.4), (control-monad-failure-0.5.0),
> control-monad-failure-mtl-0.5.0, cpphs-1.8, cpphs-1.9,
> failure-0.0.0.1, happstack-0.3.2, happstack-data-0.3.3
> ezyang at javelin:~$ cabal upgrade failure
> Resolving dependencies...
> No packages to be installed. All the requested packages are already
> If you want to reinstall anyway then use the --reinstall flag.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Haskell-Cafe