{
  description = "Wordle-Solver";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-parts.url = "github:hercules-ci/flake-parts";
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    crate2nix = {
      url = "github:nix-community/crate2nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ {
    flake-parts,
    crate2nix,
    rust-overlay,
    ...
  }:
    flake-parts.lib.mkFlake {inherit inputs;} {
      systems = [
        "aarch64-linux"
        "aarch64-darwin"
        "x86_64-darwin"
        "x86_64-linux"
      ];

      perSystem = {
        pkgs,
        system,
        self',
        ...
      }: let
        # Use rust-bin to generate the toolchain from rust-toolchain.toml
        rust-toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;

        buildRustCrateForPkgs = _:
          pkgs.buildRustCrate.override {
            rustc = rust-toolchain; # Use rustc from toolchain
            cargo = rust-toolchain; # Use cargo from toolchain
          };

        # Cargo.nix for IFD
        generatedCargoNix = crate2nix.tools.${system}.generatedCargoNix {
          name = "rustnix";
          src = ./.;
        };

        cargoNix = import generatedCargoNix {
          inherit pkgs buildRustCrateForPkgs;
        };
      in {
        # Overlay pkgs with rust-bin
        _module.args.pkgs = import inputs.nixpkgs {
          inherit system;
          overlays = [(import rust-overlay)];
        };

        packages = {
          wordle-solver = cargoNix.rootCrate.build;
          default = self'.packages.wordle-solver;
        };

        devShells.default = pkgs.mkShell {
          buildInputs = [rust-toolchain];
        };
      };
    };
}