From e81da383d908d4b7597cb73dc489f5162fcf19bf Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Fri, 29 Jun 2018 19:36:08 -0700
Subject: Add simspace

Theres a bug, need Wolfram's book to get into the math of it, I can't
find a good explanation of the actual math anywhere (the wikipedia page
is pretty bad)
---
 simspace/shell.nix | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 simspace/shell.nix

(limited to 'simspace/shell.nix')

diff --git a/simspace/shell.nix b/simspace/shell.nix
new file mode 100644
index 0000000..757c212
--- /dev/null
+++ b/simspace/shell.nix
@@ -0,0 +1,28 @@
+{ nixpkgs ? import <nixpkgs> {}, compiler ? "default", doBenchmark ? false }:
+
+let
+
+  inherit (nixpkgs) pkgs;
+
+  f = { mkDerivation, base, random, split, stdenv }:
+      mkDerivation {
+        pname = "simspace";
+        version = "0.1.0.0";
+        src = ./.;
+        isLibrary = false;
+        isExecutable = true;
+        executableHaskellDepends = [ base random split ];
+        license = stdenv.lib.licenses.bsd3;
+      };
+
+  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
-- 
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