Haskell is a functional programming language.

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6
votes
0answers
217 views

cabal dies on NixOS in KVM

I set up a NixOS system on KVM and installed the haskelPlatform package. Everything works fine, ghci works fine, but cabal dies without any helpful error message: [michas@nix:~]$ type -a cabal cabal ...
4
votes
0answers
355 views

Configure xmobar to show workspaces

What should my xmonad.hs file look like to correctly give workspace info to xmobar?
1
vote
0answers
28 views

How to use a package revision not yet in the published nixpkgs (but described in the development bracnhes of nixpkgs)?

I'd like to use the new release of ghc (7.10, because of a new feature -- static ptr), and I'm using a single-user nix environment. I don't find the wanted new release in the published lists at ...
0
votes
0answers
15 views

Correct usage of getEnv in xmonad.hs

I have the following working xmonad.hs import Xmonad import... main = do ...
0
votes
0answers
249 views

How to install pandoc

I tried to install pandoc on manjaro and therefore I installed ghc and caball-install, but I got an error by executing "cabal update" $ cabal update Downloading the latest package list from ...