{
  description = "A very basic flake";

  outputs = { self, nixpkgs }:
    let
      supportedSystems = [ "x86_64-linux" ];
      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
      nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
    in
    {

      devShell = forAllSystems (system:
        let
          pkgs = nixpkgsFor."${system}";
        in
        pkgs.mkShell {
          nativeBuildInputs = [
            pkgs.rustc
            pkgs.cargo
            pkgs.rust-analyzer
            pkgs.cargo-watch
          ];
          RUST_BACKTRACE = 1;
        }
      );
    };
}