1  {
 2    description = "rust";
 3    inputs = {
 4      flake-utils.url = "github:numtide/flake-utils";
 5      nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
 6    };
 7  
 8    outputs = { self, nixpkgs, flake-utils }:
 9      flake-utils.lib.eachDefaultSystem
10        (system:
11          let
12            pkgs = nixpkgs.legacyPackages.${system};
13            manifest = (nixpkgs.lib.importTOML ./Cargo.toml).package;
14          in
15          {
16            packages.default = pkgs.rustPlatform.buildRustPackage rec {
17              name = manifest.name;
18              version = manifest.version;
19              src = ./.;
20              cargoLock.lockFile = "${src}/Cargo.lock";
21              nativeBuildInputs = with pkgs; [ openssl pkg-config ];
22              PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
23            };
24            apps."${manifest.name}"= {
25              type = "app";
26              program = "${self.packages.${system}.default}/bin/${manifest.name}";
27              meta.description = "${manifest.description}";
28              meta.license = "${manifest.license}";
29            };
30            devShells.default = pkgs.mkShell {
31              inputsFrom = [self.packages.${system}.default];
32              nativeBuildInputs = with pkgs; [ bacon rust-analyzer rustfmt clippy ];
33            };
34          }
35        );
36  }