{
  description = "My cpp development shell";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  outputs = {
    self,
    nixpkgs,
    ...
  }: let
    system = "x86_64-linux";
    pkgs = import nixpkgs {
      inherit system;
    };
    name = "change_this";
  in {
    devShells."${system}" = {
      default = pkgs.mkShell {
        buildInputs = with pkgs; [
          gcc
          gnumake
        ];
      };
    };

    defaultPackage."${system}" = with pkgs;
      stdenv.mkDerivation {
        name = "${name}";
        src = self;
        buildPhase = "g++ -o ${name} ./main.cpp";
        installPhase = "mkdir -p $out/bin; install -t $out/bin ${name}";
      };
  };
}