initial commit

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

haskell/Lib.hs

@@ -0,0 +1 @@
+module Lib where

haskell/README.org

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+* Compile
+Just run =ghc p<x>.hs= where <x> is the problem number
+
+* Run
+Just run =runhaskell p<x>.hs= where <x> is the problem number
+
+* Environment
+If you use nix just run  =nix develop= or =nix develop .#withLsp= if you want haskell-language-server.

haskell/flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1666610816,
+        "narHash": "sha256-q4F2VNe5bpxXOvp16DyLwE1SgNZMbNO29ZQJPIomedg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "6107f97012a0c134c5848125b5aa1b149b76d2c9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "release-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

haskell/flake.nix

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+{
+  description = "eulerfunt in haskell";
+
+  inputs = {
+    nixpkgs.url = github:nixos/nixpkgs/release-22.05;
+    utils.url = github:numtide/flake-utils;
+  };
+
+  outputs = { self, nixpkgs, utils }:
+    utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+          };
+        in
+        {
+          devShells = with pkgs; rec {
+            default = mkShell {
+              buildInputs = [ ghc ];
+            };
+            withLsp = mkShell {
+              buildInputs = [
+                ghc
+                haskell-language-server
+              ];
+            };
+          };
+        }
+      );
+}