{
  description = "An ash::EntryCustom that directly links to libvulkan.so.";
  inputs.flake-utils.url = "github:numtide/flake-utils";
  outputs = { self, flake-utils, nixpkgs, }:
    flake-utils.lib.eachDefaultSystem (system:
      let pkgs = nixpkgs.legacyPackages.${system};
      in rec {
        devShell = pkgs.mkShell {
          buildInputs = with pkgs; [
            cargo
            cargo-watch
            clippy
            rustc
            vulkan-loader
          ];
        };
      });
}