Thank you. I actually switched to MissingH to do the csv file I/O stuff
and I just got it to build-compile using stack. I am on Ubuntu 18.04 and
stack 1.7.1.
On Saturday, August 11, 2018 at 11:21:49 PM UTC-4, Michael Snoyman wrote:
>
> What version of Stack are you using? What message do you get if you remove
> the entire extra-deps section?
>
> On Sun, Aug 12, 2018, 6:07 AM Jack Vice <jack...@atinc.com <javascript:>>
> wrote:
>
>> I am trying to import .csv data and so I am trying to build a simple
>> example using cassava and I have run out of ideas to get it to work. I
>> added cassava-0.5.1.0 to stack.yaml and then the builder failed based on
>> version and suggested bytestring-0.10.2.0, which I added then version
>> failed and suggested deepseq-1.3.0.2 and then version failed and
>> suggested base-4.7.0.2 and fails and keeps suggesting adding base-4.7.0.2
>> though it is in there. I tried "allow-newer: true" and gave a bunch of
>> type failures. I also tried stack solver --update-config which just
>> removed all the extra-deps: including cassava. It appears not to
>> find base-4.7.0.2. This is my first attempt to build something useful with
>> stack.
>>
>> *"stack build" output below:*
>>
>> Error: While constructing the build plan, the following exceptions were
>> encountered:
>>
>> In the dependencies for deepseq-1.3.0.2:
>> base-4.11.1.0 from stack configuration does not match >=4.3 && <4.8
>> (latest matching version is 4.7.0.2)
>> needed due to bayesHask-0.1.0.0 -> deepseq-1.3.0.2
>>
>> Some different approaches to resolving this:
>>
>> * Set 'allow-newer: true' to ignore all version constraints and build
>> anyway.
>>
>> * Consider trying 'stack solver', which uses the cabal-install solver
>> to attempt to find some working build configuration. This can be convenient
>> when dealing with many complicated constraint
>> errors, but results may be unpredictable.
>>
>> * Recommended action: try adding the following to your extra-deps in
>> /home/jack/Dropbox/src/bayesHask/stack.yaml:
>>
>> - base-4.7.0.2
>>
>> Plan construction failed.
>>
>>
>> *stack.yaml file:*
>> *flags: {}*
>> *packages:*
>> *- .*
>> *extra-deps:*
>> *- cassava-0.5.1.0*
>> *- bytestring-0.10.2.0*
>> *- deepseq-1.3.0.2*
>> *- base-4.7.0.2*
>>
>> *resolver: lts-12.5*
>>
>> *#allow-newer: true*
>>
>>
>> *Lib.hs file:*
>> *module Lib*
>> * ( someFunc*
>> * ) where*
>>
>> *import qualified Data.Text.IO <http://Data.Text.IO> as T*
>> *import qualified Data.ByteString.Lazy as BL*
>> *import Data.Csv*
>> *import qualified Data.Vector as V*
>>
>> *someFunc :: IO ()*
>> someFunc = putStrLn "someFunc"
>>
>>
>> *package.yaml file:*
>> *name: bayesHask*
>> *version: 0.1.0.0*
>> *github: "githubuser/bayesHask"*
>> *license: BSD3*
>> *author: "Jack Vice"*
>> *maintainer: "exa...@example.com <javascript:>"*
>> *copyright: "2018 Jack Vice"*
>>
>> *extra-source-files:*
>> *- README.md*
>> *- ChangeLog.md*
>>
>> *# Metadata used when publishing your package*
>> *# synopsis: Short description of your package*
>> *# category: Web*
>>
>> *# To avoid duplicated efforts in documentation and dealing with the*
>> *# complications of embedding Haddock markup inside cabal files, it is*
>> *# common to point users to the README.md file.*
>> *description: Please see the README on GitHub at
>> <https://github.com/githubuser/bayesHask#readme
>> <https://github.com/githubuser/bayesHask#readme>>*
>>
>> *dependencies:*
>> *- base >= 4.7 && < 5*
>> *- text*
>> *- bytestring*
>> *- cassava*
>>
>> *library:*
>> * source-dirs: src*
>>
>>
>> *executables:*
>> * bayesHask-exe:*
>> * main: Main.hs*
>> * source-dirs: app*
>> * ghc-options:*
>> * - -threaded*
>> * - -rtsopts*
>> * - -with-rtsopts=-N*
>> * dependencies:*
>> * - bayesHask*
>>
>> *tests:*
>> * bayesHask-test:*
>> * main: Spec.hs*
>> * source-dirs: test*
>> * ghc-options:*
>> * - -threaded*
>> * - -rtsopts*
>> * - -with-rtsopts=-N*
>> * dependencies:*
>> * - bayesHask*
>>
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