{ inputs = { nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; flake-parts = { url = "github:hercules-ci/flake-parts"; inputs.nixpkgs-lib.follows = "nixpkgs"; }; fenix = { url = "github:nix-community/fenix"; inputs.nixpkgs.follows = "nixpkgs"; }; }; outputs = { fenix, flake-parts, ... }@inputs: flake-parts.lib.mkFlake { inherit inputs; } { systems = [ "x86_64-linux" "aarch64-linux" ]; perSystem = { pkgs, system, ... }: let toolchain = fenix.packages.${system}.stable; in { devShells.default = pkgs.mkShell { packages = (with pkgs; [ nixfmt-rfc-style sqlx-cli cargo-expand ]) ++ (with toolchain; [ clippy rustfmt rust-analyzer rust-src rustc cargo ]); }; }; }; }