first commit

.gitignore

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+dist-newstyle

CHANGELOG.md

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+# Revision history for numbersquare
+
+## 0.1.0.0 -- YYYY-mm-dd
+
+* First version. Released on an unsuspecting world.

LICENSE

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+Copyright (c) 2026, sid
+
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of the copyright holder nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

app/Main.hs

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+module Main (main) where
+
+main :: IO ()
+main = putStrLn "Hello, Haskell!"

flake.nix

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+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-compat = {
+      url = "github:NixOS/flake-compat";
+      flake = false;
+    };
+  };
+
+  outputs =
+    { self, nixpkgs, ... }:
+    let
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
+    in
+    {
+      devShells.x86_64-linux.default = pkgs.callPackage ./shell.nix { };
+    };
+}

numbersquare.cabal

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+cabal-version:      3.0
+name:               numbersquare
+
+version:            0.1.0.0
+
+license:            BSD-3-Clause
+license-file:       LICENSE
+author:             sid
+category:           Game
+build-type:         Simple
+
+extra-doc-files:    CHANGELOG.md
+
+common warnings
+    ghc-options: -Wall
+
+executable numbersquare
+    import:           warnings
+
+    main-is:          Main.hs
+
+    build-depends:    base ^>=4.20.2.0
+    hs-source-dirs:   app
+    default-language: Haskell2010

shell.nix

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+{
+  haskellPackages,
+  haskell,
+  zlib,
+}:
+haskellPackages.developPackage {
+  name = "numbersquare";
+  root = ./.;
+  modifier =
+    let
+      addBuildTools =
+        drv:
+        haskell.lib.addBuildTools drv (
+          with haskellPackages;
+          [
+            fourmolu
+            haskell-language-server
+            cabal-install
+            ghcid
+            cabal-fmt
+          ]
+        );
+      addExtraLibraries = drv: haskell.lib.addExtraLibraries drv [ zlib ];
+    in
+    drv: addExtraLibraries (addBuildTools drv);
+}