minimal flake.nix for use with iced

flake.nix

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

    fenix = {
      url = "github:nix-community/fenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {nixpkgs, ...} @ inputs: let
    pkgs = nixpkgs.legacyPackages.x86_64-linux.extend inputs.fenix.overlays.default;
  in {
    formatter.x86_64-linux = pkgs.alejandra;

    devShells.x86_64-linux.default = pkgs.mkShell {
      buildInputs = with pkgs; [
        (fenix.complete.withComponents [
          "cargo"
          "clippy"
          "rust-src"
          "rustc"
          "rustfmt"
        ])
        pkg-config
        libxkbcommon
        wayland
      ];

      LD_LIBRARY_PATH = nixpkgs.lib.makeLibraryPath (with pkgs; [
        vulkan-loader
        wayland
      ]);
    };
  };
}