{
  description = "Flake for 42 C";

  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    c_formatter_42.url = "github:maix-flake/c_formatter_42";
  };
  outputs = { self, nixpkgs, flake-utils, c_formatter_42 }:
    flake-utils.lib.eachDefaultSystem (system:
      let pkgs = nixpkgs.legacyPackages.${system};
      in {
        devShell = pkgs.mkShell {
          packages = [
            c_formatter_42.packages.${system}.default
            pkgs.clang
            pkgs.clang-tools
            pkgs.lldb
            pkgs.fastmod
            pkgs.norminette
            pkgs.tree
          ] ++ (if pkgs.stdenv.isLinux then [ pkgs.valgrind ] else [ ]);
        };
        shellHook = ''
          export CC=${pkgs.clang}
          printf "\n\033[0;90mC env loaded for: \033[38;5;220m${system}\033[0m\n"
        '';
      });
}