{
  inputs = {
    crane = {
      url = "github:ipetkov/crane";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, crane, nixpkgs, ... }:
  let supportedSystems = [ "aarch64-linux" "x86_64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
      nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
  in {
    packages = forAllSystems (system: let pkgs = nixpkgsFor.${system}; in {
      default = crane.lib.${system}.buildPackage {
        pname = "shell";
        version = "0.1";

        src = ./.;

        meta = {
          description = "Shell";
        };
      };
    });

    devShells = forAllSystems (system: let pkgs = nixpkgsFor.${system}; in {
      default = pkgs.mkShell {
        buildInputs = with pkgs; [
          cargo
          rustc
        ];
      };
    });
  };
}