Added DAP and created dedicated configuration for Rust

flake.nix

@@ -1,52 +1,56 @@
 {
   description = "A nixvim configuration";
-
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     nixvim.url = "github:nix-community/nixvim";
     flake-parts.url = "github:hercules-ci/flake-parts";
     rust-overlay.url = "github:oxalica/rust-overlay";
   };
-
   outputs = { nixvim, flake-parts, rust-overlay, ... }@inputs:
     flake-parts.lib.mkFlake { inherit inputs; } {
       systems =
         [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
-
       perSystem = { system, ... }:
         let
           overlays = [ (import rust-overlay) ];
           nixvimLib = nixvim.lib.${system};
           nixvim' = nixvim.legacyPackages.${system};
-          nixvimModule = {
+          baseNixvimModule = {
             inherit pkgs;
             module = { pkgs, ... }: {
               imports = [ ./config ];
+              extraPackages = with pkgs; [ sops ];
+            };
+            extraSpecialArgs = { };
+          };
+          rustNixvimModule = {
+            inherit pkgs;
+            module = { pkgs, ... }: {
+              imports = [ ./config ./config/rust ];
               extraPackages = with pkgs; [
                 sops
                 rust-bin.stable.latest.default
               ];
             };
-            # You can use `extraSpecialArgs` to pass additional arguments to your module files
-            extraSpecialArgs = {
-              # inherit (inputs) foo;
-            };
+            extraSpecialArgs = { };
           };
           pkgs = import inputs.nixpkgs {
             inherit system overlays;
             config.allowUnfree = true;
           };
-          nvim = nixvim'.makeNixvimWithModule nixvimModule;
+          baseNvim = nixvim'.makeNixvimWithModule baseNixvimModule;
+          rustNvim = nixvim'.makeNixvimWithModule rustNixvimModule;
         in {
           checks = {
             # Run `nix flake check .` to verify that your config is not broken
             default =
-              nixvimLib.check.mkTestDerivationFromNixvimModule nixvimModule;
+              nixvimLib.check.mkTestDerivationFromNixvimModule baseNixvimModule;
           };
-
           packages = {
             # Lets you run `nix run .` to start nixvim
-            default = nvim;
+            default = baseNvim;
+            # Lets you run `nix run .#rust` to start nixvim with Rust configuration
+            rust = rustNvim;
           };
         };
     };