better tooling setup

.vscode/extensions.json

@@ -0,0 +1,8 @@
+{
+    "recommendations": [
+        "fill-labs.dependi",
+        "pinage404.nix-extension-pack",
+        "rust-lang.rust-analyzer",
+        "tamasfe.even-better-toml",
+    ]
+}

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1768886240,
-        "narHash": "sha256-C2TjvwYZ2VDxYWeqvvJ5XPPp6U7H66zeJlRaErJKoEM=",
+        "lastModified": 1769789167,
+        "narHash": "sha256-kKB3bqYJU5nzYeIROI82Ef9VtTbu4uA3YydSk/Bioa8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "80e4adbcf8992d3fd27ad4964fbb84907f9478b0",
+        "rev": "62c8382960464ceb98ea593cb8321a2cf8f9e3e5",
         "type": "github"
       },
       "original": {
@@ -62,11 +62,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1768963622,
-        "narHash": "sha256-n6VHiUgrYD9yjagzG6ncVVqFbVTsKCI54tR9PNAFCo0=",
+        "lastModified": 1769915446,
+        "narHash": "sha256-f1F/umtX3ZD7fF9DHSloVHc0mnAT0ry0YK2jI/6E0aI=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "2ef5b3362af585a83bafd34e7fc9b1f388c2e5e2",
+        "rev": "bc00300f010275e46feb3c3974df6587ff7b7808",
         "type": "github"
       },
       "original": {

flake.nix

@@ -20,9 +20,7 @@
         overlays = [ (import rust-overlay) ];
         pkgs = import nixpkgs { inherit system overlays; };
         stdenv = pkgs.stdenvAdapters.useMoldLinker pkgs.clangStdenv;
-        rustToolchain = pkgs.rust-bin.stable.latest.default.override {
-          extensions = [ "rust-src" ];
-        };
+        rustToolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
 
         nativeBuildInputs = with pkgs; [
           rustToolchain

rust-toolchain.toml

@@ -1,2 +1,3 @@
 [toolchain]
 	channel = "stable"
+	components = ["clippy", "rust-analyzer", "rust-src"]