{
  description = "Nix config for Rust";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-21.11";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs =
    inputs: inputs.flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import inputs.nixpkgs {
          inherit system;
        };
      in {
        devShell = pkgs.mkShell {
          packages = with pkgs; [
            clang_12
          ];
        };
      }
    );
}