[Haskell-cafe] Simple CSV parser?

[Jason Dagit]

On Thu, Jun 16, 2011 at 3:05 PM, Henning Thielemann
<lemming at henning-thielemann.de> wrote:
>
> On Fri, 17 Jun 2011, Dmitri O.Kondratiev wrote:
>
>> How to make cabal install all the dependencies? I couldn't find this in
>> the docs at:
>> http://www.haskell.org/haskellwiki/Cabal-Install
>
> Usually, 'cabal install' automatically installs all imported packages. But
> it will certainly not do, if a dependency problem cannot be solved by
> downloading packages. In your case it may be, that installed packages are
> compiled with respect to different versions of the same package, say
> 'transformers'.
>
> I found out, that you get more useful cabal messages if you force
> cabal-install to use a specific version of a package.
>
> Say, run
> $ ghc-pkg list transformers
> transformers-0.2.2.0
>
> Then call
> $ cabal install spreadsheet --constraint=transformers==0.2.2.0

Nicer still, is to use cabal-dev:
http://www.reddit.com/r/haskell/comments/f3ykj/psa_use_cabaldev_to_solve_dependency_problems/

Jason