Fancy vector graphics with Diagrams.
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{ nixpkgs ? import <nixpkgs> {}, compiler ? "default", doBenchmark ? false }:
let
inherit (nixpkgs) pkgs;
f = { mkDerivation, base, diagrams, stdenv }:
mkDerivation {
pname = "haskell-libs";
version = "0.1.0.0";
src = ./.;
libraryHaskellDepends = [ base diagrams ];
testHaskellDepends = [ base diagrams ];
description = "Modules for Project Euler and similar";
license = stdenv.lib.licenses.gpl3;
};
haskellPackages = if compiler == "default"
then pkgs.haskellPackages
else pkgs.haskell.packages.${compiler};
variant = if doBenchmark then pkgs.haskell.lib.doBenchmark else pkgs.lib.id;
drv = variant (haskellPackages.callPackage f {});
in
if pkgs.lib.inNixShell then drv.env else drv