{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
  };
  outputs =
    {
      flake-utils,
      nixpkgs,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs {
          inherit system;
        };
      in
      {
        devShells.default = pkgs.mkShell {
          packages = with pkgs; [
            gcc
            bison
            flex
            clang-tools
            clang
            bear
            zig
          ];
        };
      }
    );
}