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Re: [Haskell-cafe] Use of the Try typeclass

Subject: Re: [Haskell-cafe] Use of the Try typeclass
From: Michael Snoyman
Date: Thu, 31 Dec 2009 10:34:21 +0200
I think you need to run "cabal update"

On Thu, Dec 31, 2009 at 8:54 AM, Edward Z. Yang <[email protected]> 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:

 Â(control-monad-failure-0.4), (control-monad-failure-0.5.0),
 Âcontrol-monad-failure-mtl-0.5.0, cpphs-1.8, cpphs-1.9,
 Âfailure-, happstack-0.3.2, happstack-data-0.3.3


[email protected]:~$ cabal upgrade failure
Resolving dependencies...
No packages to be installed. All the requested packages are already installed.
If you want to reinstall anyway then use the --reinstall flag.


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