{
  description = "benchmarking languages with mandelbrot image generation";

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

  outputs = { self, nixpkgs }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
    in {
      devShells.${system}.default = pkgs.mkShell {
        nativeBuildInputs = with pkgs; [
          clang
          janet
          uiua-unstable
        ];
      };

      packages.${system} = {
        c = pkgs.stdenv.mkDerivation {
          name = "mandelbrot-c";
          src = ./src;
          nativeBuildInputs = [ pkgs.clang ];
          buildPhase = ''
            cc mandelbrot.c -o mandelbrot-c -lm
          '';
          installPhase = ''
            mkdir -p $out/bin/
            cp mandelbrot-c $out/bin/
          '';
        };

        uiua = pkgs.stdenv.mkDerivation {
          name = "mandelbrot-uiua";
          src = ./src;
          nativeBuildInputs = [ pkgs.makeWrapper ];
          buildInputs = [ pkgs.uiua-unstable ];
          installPhase = ''
            mkdir -p $out/bin $out/share
            cp mandelbrot.ua $out/share
            makeWrapper ${pkgs.uiua-unstable}/bin/uiua \
              $out/bin/mandelbrot-uiua \
              --add-flags "run $out/share/mandelbrot.ua"
          '';
        };
      };
    };
}