{  pkgs ? import <nixpkgs> { },}: let  stdenv = pkgs.stdenvAdapters.useMoldLinker pkgs.llvmPackages_18.stdenv;inif pkgs.stdenv.isDarwin then  # See https://github.com/NixOS/nixpkgs/issues/320084  throw "zed: nix dev-shell isn't supported on darwin yet."else  (pkgs.mkShell.override { inherit stdenv; }) rec {    nativeBuildInputs = with pkgs; [      copyDesktopItems      curl      perl      pkg-config      protobuf      rustPlatform.bindgenHook    ];     buildInputs = with pkgs; [      curl      fontconfig      freetype      libgit2      openssl      sqlite      zlib      zstd       alsa-lib      libxkbcommon      wayland      xorg.libxcb    ];     env = {      LD_LIBRARY_PATH =        with pkgs;        lib.makeLibraryPath (          buildInputs          ++ [            stdenv.cc.cc.lib            vulkan-loader          ]        );      ZSTD_SYS_USE_PKG_CONFIG = true;      FONTCONFIG_FILE = pkgs.makeFontsConf {        fontDirectories = [          "assets/fonts/zed-mono"          "assets/fonts/zed-sans"        ];      };    };  }