init

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -0,0 +1,2 @@
+.vscode
+.direnv

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1693953029,
+        "narHash": "sha256-1+28KQl4YC4IBzKo/epvEyK5KH4MlgoYueJ8YwLGbOc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4077a0e4ac3356222bc1f0a070af7939c3098535",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,11 @@
+{
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
+
+  outputs = inputs: let pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux; in
+  {
+    devShell.x86_64-linux = pkgs.mkShell.override { stdenv = pkgs.gcc13Stdenv; }
+    {
+      buildInputs = with pkgs; [ yaml-cpp eigen ];
+    };
+  };
+}