[Haskell-beginners] scotty installation error

[David Johnson]

Scotty 0.2.0 is quite old. Scotty 0.5.0 is out. Just try "cabal install
scotty"


On Tue, Oct 1, 2013 at 12:07 AM, Ovidiu D <ovidiudeac at gmail.com> wrote:

> The ghc and cabal versions are:
> $ ghc --version
> The Glorious Glasgow Haskell Compilation System, version 7.4.2
> $ cabal --version
> cabal-install version 1.18.0.1
> using version 1.18.1 of the Cabal library
>
>
> On Tue, Oct 1, 2013 at 2:32 AM, Ovidiu D <ovidiudeac at gmail.com> wrote:
>
>> I'm trying to write a small web application starting from here:
>> http://adit.io/posts/2013-04-15-making-a-website-with-haskell.html
>>
>> Resolving dependencies...
>> Configuring scotty-0.2.0...
>> Building scotty-0.2.0...
>> Preprocessing library scotty-0.2.0...
>>
>> Web/Scotty.hs:35:8:
>>     Could not find module `Control.Monad.Trans.Resource'
>>     It is a member of the hidden package `resourcet-0.4.8'.
>>     Perhaps you need to add `resourcet' to the build-depends in your
>> .cabal file.
>>     Use -v to see a list of the files searched for.
>> Failed to install scotty-0.2.0
>>
>> My build-depends clause is the following:
>>
>>   build-depends:       base ==4.5.*
>>                      , wai ==1.3.*
>>                      , warp ==1.3.*
>>                      , http-types ==0.7.*
>>                      , resourcet
>>                      , scotty
>>                      , text
>>                      , bytestring
>>                      , blaze-html
>>                      , persistent
>>                      , persistent-template
>>                      , persistent-sqlite
>>                      , persistent-postgresql
>>                      , heroku
>>                      , transformers ==0.3.0.0
>>                      , wai-middleware-static ==0.3.2
>>                      , wai-extra
>>                      , time
>>                      , monad-logger ==0.2.4
>>
>>
>> Any idea what is wrong with it?
>>
>> I also tried to use the dependencies list without any versions and I get the same error
>>
>> Thanks
>> ovidiu
>>
>>
>>
>
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