Haskell: Difference between revisions

From NixOS Wiki
imported>Nix
m add languages and applications categories
imported>Ozkutuk
m Fix broken link
Line 1: Line 1:
== Introduction ==
== Introduction ==


[https://notes.srid.ca/haskell-nix '''Nix recipes for Haskellers'''] aims to get a beginner comfortable managing simple Haskell programs and projects using Nix.
[https://www.srid.ca/haskell-nix '''Nix recipes for Haskellers'''] aims to get a beginner comfortable managing simple Haskell programs and projects using Nix.


== Scripting ==
== Scripting ==

Revision as of 22:04, 19 January 2022

Introduction

Nix recipes for Haskellers aims to get a beginner comfortable managing simple Haskell programs and projects using Nix.

Scripting

Here's an example using nix-shell to get a redistributable Haskell script that you can run on any Nix system with `./my-script.hs`:

#!/usr/bin/env nix-shell
#!nix-shell --pure -i runghc -p "haskellPackages.ghcWithPackages (pkgs: [ pkgs.turtle ])"

main = do
  # do stuff
  putStrLn "Hello world from a distributable Haskell script!"

FAQ

Limitations

When using cabal2nix, Nix does not pull a cabal package by respecting the constraint specified in the cabal file (see example). Issue is discussed here. You should be using `callCabal2nix` anyway.